86746740957 has 12 divisors (see below), whose sum is σ = 125322900924. Its totient is φ = 57820982400.

The previous prime is 86746740937. The next prime is 86746740989. The reversal of 86746740957 is 75904764768.

86746740957 is a `hidden beast` number, since 86 + 7 + 467 + 4 + 0 + 95 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 80539034436 + 6207706521 = 283794^2 + 78789^2 .

It is not a de Polignac number, because 86746740957 - 2¹⁴ = 86746724573 is a prime.

It is a super-2 number, since 2×86746740957² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86746740894 and 86746740903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86746740937) 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, 794028 + ... + 896645.

It is an arithmetic number, because the mean of its divisors is an integer number (10443575077).

Almost surely, 2^86746740957 is an apocalyptic number.

It is an amenable number.

86746740957 is a deficient number, since it is larger than the sum of its proper divisors (38576159967).

86746740957 is a wasteful number, since it uses less digits than its factorization.

86746740957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696380 (or 1696377 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 86746740957 in words is "eighty-six billion, seven hundred forty-six million, seven hundred forty thousand, nine hundred fifty-seven".