86550873651 has 16 divisors (see below), whose sum is σ = 139880200320. Its totient is φ = 52455074760.

The previous prime is 86550873623. The next prime is 86550873701. The reversal of 86550873651 is 15637805568.

86550873651 is a `hidden beast` number, since 8 + 6 + 5 + 508 + 73 + 65 + 1 = 666.

It is not a de Polignac number, because 86550873651 - 2⁹ = 86550873139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86550873151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145708245 + ... + 145708838.

It is an arithmetic number, because the mean of its divisors is an integer number (8742512520).

Almost surely, 2^86550873651 is an apocalyptic number.

86550873651 is a deficient number, since it is larger than the sum of its proper divisors (53329326669).

86550873651 is a wasteful number, since it uses less digits than its factorization.

86550873651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291417103 (or 291417097 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 86550873651 in words is "eighty-six billion, five hundred fifty million, eight hundred seventy-three thousand, six hundred fifty-one".