86704972 has 12 divisors (see below), whose sum is σ = 151801776. Its totient is φ = 43333040.

The previous prime is 86704951. The next prime is 86704991. The reversal of 86704972 is 27940768.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10713 + ... + 16975.

It is an arithmetic number, because the mean of its divisors is an integer number (12650148).

Almost surely, 2^86704972 is an apocalyptic number.

It is an amenable number.

86704972 is a deficient number, since it is larger than the sum of its proper divisors (65096804).

86704972 is a wasteful number, since it uses less digits than its factorization.

86704972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728 (or 9726 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 86704972 is about 9311.5504616578. The cubic root of 86704972 is about 442.6033201660.

The spelling of 86704972 in words is "eighty-six million, seven hundred four thousand, nine hundred seventy-two".