83913580 has 12 divisors (see below), whose sum is σ = 176218560. Its totient is φ = 33565424.

The previous prime is 83913539. The next prime is 83913587. The reversal of 83913580 is 8531938.

It is not an unprimeable number, because it can be changed into a prime (83913587) by changing a digit.

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, 2097820 + ... + 2097859.

It is an arithmetic number, because the mean of its divisors is an integer number (14684880).

Almost surely, 2^83913580 is an apocalyptic number.

It is an amenable number.

83913580 is an abundant number, since it is smaller than the sum of its proper divisors (92304980).

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

83913580 is a wasteful number, since it uses less digits than its factorization.

83913580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195688 (or 4195686 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 83913580 is about 9160.4355791633. The cubic root of 83913580 is about 437.8016727538.

The spelling of 83913580 in words is "eighty-three million, nine hundred thirteen thousand, five hundred eighty".