86615423256 has 32 divisors (see below), whose sum is σ = 216704312640. Its totient is φ = 28849707168.

The previous prime is 86615423197. The next prime is 86615423261. The reversal of 86615423256 is 65232451668.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1349266 + ... + 1412001.

It is an arithmetic number, because the mean of its divisors is an integer number (6772009770).

Almost surely, 2^86615423256 is an apocalyptic number.

It is an amenable number.

86615423256 is an abundant number, since it is smaller than the sum of its proper divisors (130088889384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86615423256 is a wasteful number, since it uses less digits than its factorization.

86615423256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762583 (or 2762579 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 86615423256 in words is "eighty-six billion, six hundred fifteen million, four hundred twenty-three thousand, two hundred fifty-six".