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2897007977 is a prime number
BaseRepresentation
bin1010110010101100…
…1101010101101001
321110220020020211202
42230223031111221
521413113223402
61155244533545
7131535106253
oct25453152551
97426206752
102897007977
111257315a76
1268a2512b5
13372263c06
141d6a76cd3
1511e4ecb02
hexacacd569

2897007977 has 2 divisors, whose sum is σ = 2897007978. Its totient is φ = 2897007976.

The previous prime is 2897007943. The next prime is 2897008021. The reversal of 2897007977 is 7797007982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1476019561 + 1420988416 = 38419^2 + 37696^2 .

It is a cyclic number.

It is not a de Polignac number, because 2897007977 - 28 = 2897007721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2897007677) 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, 1448503988 + 1448503989.

It is an arithmetic number, because the mean of its divisors is an integer number (1448503989).

Almost surely, 22897007977 is an apocalyptic number.

It is an amenable number.

2897007977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897007977 is an equidigital number, since it uses as much as digits as its factorization.

2897007977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3111696, while the sum is 56.

The square root of 2897007977 is about 53823.8606660652. The cubic root of 2897007977 is about 1425.5525468988.

The spelling of 2897007977 in words is "two billion, eight hundred ninety-seven million, seven thousand, nine hundred seventy-seven".