86377856 has 16 divisors (see below), whose sum is σ = 172081140. Its totient is φ = 43188864.

The previous prime is 86377853. The next prime is 86377861. The reversal of 86377856 is 65877368.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×86377856² = 14922268014313472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86377853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337286 + ... + 337541.

Almost surely, 2^86377856 is an apocalyptic number.

It is an amenable number.

86377856 is a deficient number, since it is larger than the sum of its proper divisors (85703284).

86377856 is an equidigital number, since it uses as much as digits as its factorization.

86377856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674841 (or 674829 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 86377856 is about 9293.9687970210. The cubic root of 86377856 is about 442.0460084646.

The spelling of 86377856 in words is "eighty-six million, three hundred seventy-seven thousand, eight hundred fifty-six".