83280568 has 32 divisors (see below), whose sum is σ = 179388000. Its totient is φ = 35505792.

The previous prime is 83280563. The next prime is 83280581. The reversal of 83280568 is 86508238.

It is a self number, because there is not a number n which added to its sum of digits gives 83280568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83280563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7258 + ... + 14806.

It is an arithmetic number, because the mean of its divisors is an integer number (5605875).

Almost surely, 2^83280568 is an apocalyptic number.

It is an amenable number.

83280568 is an abundant number, since it is smaller than the sum of its proper divisors (96107432).

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

83280568 is a wasteful number, since it uses less digits than its factorization.

83280568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759 (or 7755 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 83280568 is about 9125.8187577883. The cubic root of 83280568 is about 436.6980233748.

The spelling of 83280568 in words is "eighty-three million, two hundred eighty thousand, five hundred sixty-eight".