83864712 has 16 divisors (see below), whose sum is σ = 209661840. Its totient is φ = 27954896.

The previous prime is 83864707. The next prime is 83864717. The reversal of 83864712 is 21746838.

It is an interprime number because it is at equal distance from previous prime (83864707) and next prime (83864717).

It is not an unprimeable number, because it can be changed into a prime (83864717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1747158 + ... + 1747205.

It is an arithmetic number, because the mean of its divisors is an integer number (13103865).

Almost surely, 2^83864712 is an apocalyptic number.

It is an amenable number.

83864712 is an abundant number, since it is smaller than the sum of its proper divisors (125797128).

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

83864712 is a wasteful number, since it uses less digits than its factorization.

83864712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494372 (or 3494368 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 83864712 is about 9157.7678503006. The cubic root of 83864712 is about 437.7166700379.

The spelling of 83864712 in words is "eighty-three million, eight hundred sixty-four thousand, seven hundred twelve".