86412907557 has 24 divisors (see below), whose sum is σ = 133287997440. Its totient is φ = 53827835040.

The previous prime is 86412907523. The next prime is 86412907571. The reversal of 86412907557 is 75570921468.

86412907557 is a `hidden beast` number, since 8 + 64 + 1 + 29 + 0 + 7 + 557 = 666.

It is not a de Polignac number, because 86412907557 - 2¹² = 86412903461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86412907657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5331973 + ... + 5348154.

It is an arithmetic number, because the mean of its divisors is an integer number (5553666560).

Almost surely, 2^86412907557 is an apocalyptic number.

86412907557 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

86412907557 is a deficient number, since it is larger than the sum of its proper divisors (46875089883).

86412907557 is a wasteful number, since it uses less digits than its factorization.

86412907557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680193 (or 10680190 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 86412907557 in words is "eighty-six billion, four hundred twelve million, nine hundred seven thousand, five hundred fifty-seven".