82763320 has 32 divisors (see below), whose sum is σ = 186844320. Its totient is φ = 32993920.

The previous prime is 82763279. The next prime is 82763333. The reversal of 82763320 is 2336728.

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, 9114 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (5838885).

Almost surely, 2^82763320 is an apocalyptic number.

It is an amenable number.

82763320 is an abundant number, since it is smaller than the sum of its proper divisors (104081000).

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

82763320 is a wasteful number, since it uses less digits than its factorization.

82763320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975 (or 6971 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 82763320 is about 9097.4348032838. The cubic root of 82763320 is about 435.7920479578.

The spelling of 82763320 in words is "eighty-two million, seven hundred sixty-three thousand, three hundred twenty".