83504128 has 22 divisors (see below), whose sum is σ = 166928756. Its totient is φ = 41751552.

The previous prime is 83504117. The next prime is 83504147. The reversal of 83504128 is 82140538.

It is a self number, because there is not a number n which added to its sum of digits gives 83504128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39750 + ... + 41797.

Almost surely, 2^83504128 is an apocalyptic number.

It is an amenable number.

83504128 is a deficient number, since it is larger than the sum of its proper divisors (83424628).

83504128 is an equidigital number, since it uses as much as digits as its factorization.

83504128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81567 (or 81549 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 83504128 is about 9138.0593125674. The cubic root of 83504128 is about 437.0884345041.

The spelling of 83504128 in words is "eighty-three million, five hundred four thousand, one hundred twenty-eight".