86957715596441 has 2 divisors, whose sum is σ = 86957715596442. Its totient is φ = 86957715596440.

The previous prime is 86957715596287. The next prime is 86957715596459. The reversal of 86957715596441 is 14469551775968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57588306980416 + 29369408616025 = 7588696^2 + 5419355^2 .

It is a cyclic number.

It is not a de Polignac number, because 86957715596441 - 2¹⁸ = 86957715334297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (86957715596461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43478857798220 + 43478857798221.

It is an arithmetic number, because the mean of its divisors is an integer number (43478857798221).

Almost surely, 2^{86957715596441} is an apocalyptic number.

It is an amenable number.

86957715596441 is a deficient number, since it is larger than the sum of its proper divisors (1).

86957715596441 is an equidigital number, since it uses as much as digits as its factorization.

86957715596441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144000, while the sum is 77.

The spelling of 86957715596441 in words is "eighty-six trillion, nine hundred fifty-seven billion, seven hundred fifteen million, five hundred ninety-six thousand, four hundred forty-one".