86556508737 has 16 divisors (see below), whose sum is σ = 124766141760. Its totient is φ = 53189773632.

The previous prime is 86556508697. The next prime is 86556508783. The reversal of 86556508737 is 73780565568.

It is not a de Polignac number, because 86556508737 - 2²⁶ = 86489399873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86556588737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20518638 + ... + 20522855.

It is an arithmetic number, because the mean of its divisors is an integer number (7797883860).

Almost surely, 2^86556508737 is an apocalyptic number.

It is an amenable number.

86556508737 is a deficient number, since it is larger than the sum of its proper divisors (38209633023).

86556508737 is a wasteful number, since it uses less digits than its factorization.

86556508737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41041552.

The product of its (nonzero) digits is 42336000, while the sum is 60.

The spelling of 86556508737 in words is "eighty-six billion, five hundred fifty-six million, five hundred eight thousand, seven hundred thirty-seven".