86377806 has 32 divisors (see below), whose sum is σ = 192477600. Its totient is φ = 28713600.

The previous prime is 86377801. The next prime is 86377817. The reversal of 86377806 is 60877368.

86377806 is a `hidden beast` number, since 8 + 637 + 7 + 8 + 0 + 6 = 666.

It is a super-2 number, since 2×86377806² = 14922250738747272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86377801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19660 + ... + 23648.

It is an arithmetic number, because the mean of its divisors is an integer number (6014925).

Almost surely, 2^86377806 is an apocalyptic number.

86377806 is an abundant number, since it is smaller than the sum of its proper divisors (106099794).

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

86377806 is a wasteful number, since it uses less digits than its factorization.

86377806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401 (or 4395 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 86377806 is about 9293.9661071041. The cubic root of 86377806 is about 442.0459231715.

The spelling of 86377806 in words is "eighty-six million, three hundred seventy-seven thousand, eight hundred six".