86670992 has 20 divisors (see below), whose sum is σ = 175226880. Its totient is φ = 41451168.

The previous prime is 86670977. The next prime is 86671001. The reversal of 86670992 is 29907668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117392 + ... + 118127.

It is an arithmetic number, because the mean of its divisors is an integer number (8761344).

Almost surely, 2^86670992 is an apocalyptic number.

It is an amenable number.

86670992 is an abundant number, since it is smaller than the sum of its proper divisors (88555888).

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

86670992 is a wasteful number, since it uses less digits than its factorization.

86670992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235550 (or 235544 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 86670992 is about 9309.7256672794. The cubic root of 86670992 is about 442.5454933171.

The spelling of 86670992 in words is "eighty-six million, six hundred seventy thousand, nine hundred ninety-two".