86623815156 has 24 divisors (see below), whose sum is σ = 202400278080. Its totient is φ = 28834884672.

The previous prime is 86623815151. The next prime is 86623815167. The reversal of 86623815156 is 65151832668.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86623815099 and 86623815108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86623815151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955961 + ... + 4973408.

It is an arithmetic number, because the mean of its divisors is an integer number (8433344920).

Almost surely, 2^86623815156 is an apocalyptic number.

It is an amenable number.

86623815156 is an abundant number, since it is smaller than the sum of its proper divisors (115776462924).

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

86623815156 is a wasteful number, since it uses less digits than its factorization.

86623815156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930103 (or 9930101 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The spelling of 86623815156 in words is "eighty-six billion, six hundred twenty-three million, eight hundred fifteen thousand, one hundred fifty-six".