83279568 has 40 divisors (see below), whose sum is σ = 218095168. Its totient is φ = 27378432.

The previous prime is 83279557. The next prime is 83279587. The reversal of 83279568 is 86597238.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 8380 + ... + 15387.

Almost surely, 2^83279568 is an apocalyptic number.

It is an amenable number.

83279568 is an abundant number, since it is smaller than the sum of its proper divisors (134815600).

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

83279568 is a wasteful number, since it uses less digits than its factorization.

83279568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23851 (or 23845 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 83279568 is about 9125.7639680193. The cubic root of 83279568 is about 436.6962754690.

The spelling of 83279568 in words is "eighty-three million, two hundred seventy-nine thousand, five hundred sixty-eight".