86155531564 has 6 divisors (see below), whose sum is σ = 150772180244. Its totient is φ = 43077765780.

The previous prime is 86155531549. The next prime is 86155531739. The reversal of 86155531564 is 46513555168.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10769441442 + ... + 10769441449.

Almost surely, 2^86155531564 is an apocalyptic number.

It is an amenable number.

86155531564 is a deficient number, since it is larger than the sum of its proper divisors (64616648680).

86155531564 is a wasteful number, since it uses less digits than its factorization.

86155531564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21538882895 (or 21538882893 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 49.

The spelling of 86155531564 in words is "eighty-six billion, one hundred fifty-five million, five hundred thirty-one thousand, five hundred sixty-four".