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8701870997 is a prime number
BaseRepresentation
bin10000001101010110…
…00000001110010101
3211110110002211220102
420012223000032111
5120310134332442
63555251143445
7425432453201
oct100653001625
924413084812
108701870997
113765a85526
12182a2a4b85
13a88a88cc1
145c79abb01
1535de3c232
hex206ac0395

8701870997 has 2 divisors, whose sum is σ = 8701870998. Its totient is φ = 8701870996.

The previous prime is 8701870927. The next prime is 8701871021. The reversal of 8701870997 is 7990781078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8199483601 + 502387396 = 90551^2 + 22414^2 .

It is a cyclic number.

It is not a de Polignac number, because 8701870997 - 216 = 8701805461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8701870907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350935498 + 4350935499.

It is an arithmetic number, because the mean of its divisors is an integer number (4350935499).

Almost surely, 28701870997 is an apocalyptic number.

It is an amenable number.

8701870997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8701870997 is an equidigital number, since it uses as much as digits as its factorization.

8701870997 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 56.

The square root of 8701870997 is about 93283.8195883938. The cubic root of 8701870997 is about 2056.8575423606.

The spelling of 8701870997 in words is "eight billion, seven hundred one million, eight hundred seventy thousand, nine hundred ninety-seven".