86501013507 has 32 divisors (see below), whose sum is σ = 131930784000. Its totient is φ = 56689845192.

The previous prime is 86501013503. The next prime is 86501013523. The reversal of 86501013507 is 70531010568.

86501013507 is a `hidden beast` number, since 86 + 50 + 10 + 13 + 507 = 666.

It is not a de Polignac number, because 86501013507 - 2² = 86501013503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86501013503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206157 + ... + 464222.

It is an arithmetic number, because the mean of its divisors is an integer number (4122837000).

Almost surely, 2^86501013507 is an apocalyptic number.

86501013507 is a deficient number, since it is larger than the sum of its proper divisors (45429770493).

86501013507 is an frugal number, since it uses more digits than its factorization.

86501013507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670459 (or 670441 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 86501013507 in words is "eighty-six billion, five hundred one million, thirteen thousand, five hundred seven".