86957391357 has 12 divisors (see below), whose sum is σ = 126168375424. Its totient is φ = 57711630600.

The previous prime is 86957391329. The next prime is 86957391359. The reversal of 86957391357 is 75319375968.

86957391357 is a `hidden beast` number, since 8 + 6 + 9 + 573 + 9 + 1 + 3 + 57 = 666.

It is not a de Polignac number, because 86957391357 - 2¹⁹ = 86956867069 is a prime.

It is a super-2 number, since 2×86957391357² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86957391294 and 86957391303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86957391359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21661519 + ... + 21665532.

Almost surely, 2^86957391357 is an apocalyptic number.

It is an amenable number.

86957391357 is a deficient number, since it is larger than the sum of its proper divisors (39210984067).

86957391357 is a wasteful number, since it uses less digits than its factorization.

86957391357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43327280 (or 43327277 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 63.

The spelling of 86957391357 in words is "eighty-six billion, nine hundred fifty-seven million, three hundred ninety-one thousand, three hundred fifty-seven".