83057512 has 32 divisors (see below), whose sum is σ = 173577600. Its totient is φ = 37027584.

The previous prime is 83057503. The next prime is 83057543. The reversal of 83057512 is 21575038.

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, 13488 + ... + 18655.

It is an arithmetic number, because the mean of its divisors is an integer number (5424300).

Almost surely, 2^83057512 is an apocalyptic number.

It is an amenable number.

83057512 is an abundant number, since it is smaller than the sum of its proper divisors (90520088).

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

83057512 is a wasteful number, since it uses less digits than its factorization.

83057512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32185 (or 32181 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 83057512 is about 9113.5894136174. The cubic root of 83057512 is about 436.3077954533.

The spelling of 83057512 in words is "eighty-three million, fifty-seven thousand, five hundred twelve".