82768288 has 24 divisors (see below), whose sum is σ = 164569860. Its totient is φ = 40972800.

The previous prime is 82768271. The next prime is 82768307. The reversal of 82768288 is 88286728.

It can be written as a sum of positive squares in 2 ways, for example, as 51093904 + 31674384 = 7148^2 + 5628^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9573 + ... + 16036.

Almost surely, 2^82768288 is an apocalyptic number.

It is an amenable number.

82768288 is a deficient number, since it is larger than the sum of its proper divisors (81801572).

82768288 is a wasteful number, since it uses less digits than its factorization.

82768288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25720 (or 25712 counting only the distinct ones).

The product of its digits is 688128, while the sum is 49.

The square root of 82768288 is about 9097.7078431878. The cubic root of 82768288 is about 435.8007674871.

The spelling of 82768288 in words is "eighty-two million, seven hundred sixty-eight thousand, two hundred eighty-eight".