86888172 has 36 divisors (see below), whose sum is σ = 235840920. Its totient is φ = 24825024.

The previous prime is 86888171. The next prime is 86888183. The reversal of 86888172 is 27188868.

It is not an unprimeable number, because it can be changed into a prime (86888171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73297 + ... + 74472.

Almost surely, 2^86888172 is an apocalyptic number.

It is an amenable number.

86888172 is an abundant number, since it is smaller than the sum of its proper divisors (148952748).

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

86888172 is a wasteful number, since it uses less digits than its factorization.

86888172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147790 (or 147781 counting only the distinct ones).

The product of its digits is 344064, while the sum is 48.

The square root of 86888172 is about 9321.3825154856. The cubic root of 86888172 is about 442.9148282025.

Adding to 86888172 its product of digits (344064), we get a triangular number (87232236 = T₁₃₂₀₈).

The spelling of 86888172 in words is "eighty-six million, eight hundred eighty-eight thousand, one hundred seventy-two".