86538118655475 has 72 divisors (see below), whose sum is σ = 156136745907792. Its totient is φ = 45815021107200.

The previous prime is 86538118655467. The next prime is 86538118655519. The reversal of 86538118655475 is 57455681183568.

It is a happy number.

86538118655475 is a `hidden beast` number, since 8 + 6 + 5 + 3 + 8 + 1 + 18 + 65 + 547 + 5 = 666.

It is not a de Polignac number, because 86538118655475 - 2³ = 86538118655467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1379479860 + ... + 1379542590.

It is an arithmetic number, because the mean of its divisors is an integer number (2168565915386).

Almost surely, 2^{86538118655475} is an apocalyptic number.

86538118655475 is a deficient number, since it is larger than the sum of its proper divisors (69598627252317).

86538118655475 is a wasteful number, since it uses less digits than its factorization.

86538118655475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107637 (or 107629 counting only the distinct ones).

The product of its digits is 967680000, while the sum is 72.

The spelling of 86538118655475 in words is "eighty-six trillion, five hundred thirty-eight billion, one hundred eighteen million, six hundred fifty-five thousand, four hundred seventy-five".