86055860 has 24 divisors (see below), whose sum is σ = 197146656. Its totient is φ = 31292960.

The previous prime is 86055859. The next prime is 86055863. The reversal of 86055860 is 6855068.

It is a super-2 number, since 2×86055860² = 14811222080679200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86055863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195362 + ... + 195801.

It is an arithmetic number, because the mean of its divisors is an integer number (8214444).

Almost surely, 2^86055860 is an apocalyptic number.

It is an amenable number.

86055860 is an abundant number, since it is smaller than the sum of its proper divisors (111090796).

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

86055860 is a wasteful number, since it uses less digits than its factorization.

86055860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391183 (or 391181 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 86055860 is about 9276.6297759477. The cubic root of 86055860 is about 441.4960439000.

The spelling of 86055860 in words is "eighty-six million, fifty-five thousand, eight hundred sixty".