86771872 has 24 divisors (see below), whose sum is σ = 186363072. Its totient is φ = 39441600.

The previous prime is 86771863. The next prime is 86771887. The reversal of 86771872 is 27817768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122904 + ... + 123607.

It is an arithmetic number, because the mean of its divisors is an integer number (7765128).

Almost surely, 2^86771872 is an apocalyptic number.

It is an amenable number.

86771872 is an abundant number, since it is smaller than the sum of its proper divisors (99591200).

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

86771872 is a wasteful number, since it uses less digits than its factorization.

86771872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246532 (or 246524 counting only the distinct ones).

The product of its digits is 263424, while the sum is 46.

The square root of 86771872 is about 9315.1420815788. The cubic root of 86771872 is about 442.7171258265.

The spelling of 86771872 in words is "eighty-six million, seven hundred seventy-one thousand, eight hundred seventy-two".