86865160 has 32 divisors (see below), whose sum is σ = 199995840. Its totient is φ = 33937344.

The previous prime is 86865143. The next prime is 86865187. The reversal of 86865160 is 6156868.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23532 + ... + 26971.

It is an arithmetic number, because the mean of its divisors is an integer number (6249870).

Almost surely, 2^86865160 is an apocalyptic number.

It is an amenable number.

86865160 is an abundant number, since it is smaller than the sum of its proper divisors (113130680).

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

86865160 is a wasteful number, since it uses less digits than its factorization.

86865160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50557 (or 50553 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 86865160 is about 9320.1480674933. The cubic root of 86865160 is about 442.8757233174.

It can be divided in two parts, 86865 and 160, that added together give a square (87025 = 295²).

The spelling of 86865160 in words is "eighty-six million, eight hundred sixty-five thousand, one hundred sixty".