86840064 has 54 divisors (see below), whose sum is σ = 250387956. Its totient is φ = 28945920.

The previous prime is 86840041. The next prime is 86840077. The reversal of 86840064 is 46004868.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16542 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (4636814).

Almost surely, 2^86840064 is an apocalyptic number.

It is an amenable number.

86840064 is an abundant number, since it is smaller than the sum of its proper divisors (163547892).

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

86840064 is a wasteful number, since it uses less digits than its factorization.

86840064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37713 (or 37696 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 86840064 is about 9318.8016396960. The cubic root of 86840064 is about 442.8330691636.

The spelling of 86840064 in words is "eighty-six million, eight hundred forty thousand, sixty-four".