86897180 has 24 divisors (see below), whose sum is σ = 182876400. Its totient is φ = 34684160.

The previous prime is 86897171. The next prime is 86897207. The reversal of 86897180 is 8179868.

It is a super-2 number, since 2×86897180² = 15102239783904800, which contains 22 as substring.

It is a congruent number.

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, 5396 + ... + 14244.

It is an arithmetic number, because the mean of its divisors is an integer number (7619850).

Almost surely, 2^86897180 is an apocalyptic number.

It is an amenable number.

86897180 is an abundant number, since it is smaller than the sum of its proper divisors (95979220).

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

86897180 is a wasteful number, since it uses less digits than its factorization.

86897180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349 (or 9347 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 86897180 is about 9321.8656930896. The cubic root of 86897180 is about 442.9301338489.

The spelling of 86897180 in words is "eighty-six million, eight hundred ninety-seven thousand, one hundred eighty".