87697149713 has 2 divisors, whose sum is σ = 87697149714. Its totient is φ = 87697149712.

The previous prime is 87697149707. The next prime is 87697149829. The reversal of 87697149713 is 31794179678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72785564944 + 14911584769 = 269788^2 + 122113^2 .

It is a cyclic number.

It is not a de Polignac number, because 87697149713 - 2⁴ = 87697149697 is a prime.

It is not a weakly prime, because it can be changed into another prime (87697149313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43848574856 + 43848574857.

It is an arithmetic number, because the mean of its divisors is an integer number (43848574857).

Almost surely, 2^87697149713 is an apocalyptic number.

It is an amenable number.

87697149713 is a deficient number, since it is larger than the sum of its proper divisors (1).

87697149713 is an equidigital number, since it uses as much as digits as its factorization.

87697149713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16003008, while the sum is 62.

The spelling of 87697149713 in words is "eighty-seven billion, six hundred ninety-seven million, one hundred forty-nine thousand, seven hundred thirteen".