86233578856 has 8 divisors (see below), whose sum is σ = 161687960370. Its totient is φ = 43116789424.

The previous prime is 86233578841. The next prime is 86233578863. The reversal of 86233578856 is 65887533268.

It can be written as a sum of positive squares in only one way, i.e., 85185761956 + 1047816900 = 291866^2 + 32370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 86233578794 and 86233578803.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5389598671 + ... + 5389598686.

Almost surely, 2^86233578856 is an apocalyptic number.

It is an amenable number.

86233578856 is a deficient number, since it is larger than the sum of its proper divisors (75454381514).

86233578856 is a wasteful number, since it uses less digits than its factorization.

86233578856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10779197363 (or 10779197359 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 61.

The spelling of 86233578856 in words is "eighty-six billion, two hundred thirty-three million, five hundred seventy-eight thousand, eight hundred fifty-six".