86173325553 has 36 divisors (see below), whose sum is σ = 141061470480. Its totient is φ = 46650192624.

The previous prime is 86173325549. The next prime is 86173325597. The reversal of 86173325553 is 35552337168.

It is not a de Polignac number, because 86173325553 - 2² = 86173325549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86173325053) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 758863 + ... + 864996.

It is an arithmetic number, because the mean of its divisors is an integer number (3918374180).

Almost surely, 2^86173325553 is an apocalyptic number.

It is an amenable number.

86173325553 is a deficient number, since it is larger than the sum of its proper divisors (54888144927).

86173325553 is a wasteful number, since it uses less digits than its factorization.

86173325553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623914 (or 1623888 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The spelling of 86173325553 in words is "eighty-six billion, one hundred seventy-three million, three hundred twenty-five thousand, five hundred fifty-three".