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1672906877 is a prime number
BaseRepresentation
bin110001110110110…
…1000100001111101
311022120212110210222
41203231220201331
511411231010002
6434000111125
756312321345
oct14355504175
94276773728
101672906877
11789348774
123a83054a5
13208781735
1411c271d25
159bd011a2
hex63b6887d

1672906877 has 2 divisors, whose sum is σ = 1672906878. Its totient is φ = 1672906876.

The previous prime is 1672906841. The next prime is 1672906891. The reversal of 1672906877 is 7786092761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1613709241 + 59197636 = 40171^2 + 7694^2 .

It is an emirp because it is prime and its reverse (7786092761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1672906877 - 214 = 1672890493 is a prime.

It is a super-2 number, since 2×16729068772 = 5597234838227786258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672906897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836453438 + 836453439.

It is an arithmetic number, because the mean of its divisors is an integer number (836453439).

Almost surely, 21672906877 is an apocalyptic number.

It is an amenable number.

1672906877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672906877 is an equidigital number, since it uses as much as digits as its factorization.

1672906877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 1672906877 is about 40901.1842982572. The cubic root of 1672906877 is about 1187.1089760690.

The spelling of 1672906877 in words is "one billion, six hundred seventy-two million, nine hundred six thousand, eight hundred seventy-seven".