83700012 has 24 divisors (see below), whose sum is σ = 213054912. Its totient is φ = 25363600.

The previous prime is 83699999. The next prime is 83700037. The reversal of 83700012 is 21000738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316914 + ... + 317177.

It is an arithmetic number, because the mean of its divisors is an integer number (8877288).

Almost surely, 2^83700012 is an apocalyptic number.

It is an amenable number.

83700012 is an abundant number, since it is smaller than the sum of its proper divisors (129354900).

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

83700012 is a wasteful number, since it uses less digits than its factorization.

83700012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634109 (or 634107 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 83700012 is about 9148.7710650120. The cubic root of 83700012 is about 437.4299416527.

The spelling of 83700012 in words is "eighty-three million, seven hundred thousand, twelve".