82797404 has 24 divisors (see below), whose sum is σ = 150557568. Its totient is φ = 39798720.

The previous prime is 82797353. The next prime is 82797427. The reversal of 82797404 is 40479728.

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, 17342 + ... + 21594.

It is an arithmetic number, because the mean of its divisors is an integer number (6273232).

Almost surely, 2^82797404 is an apocalyptic number.

It is an amenable number.

82797404 is a deficient number, since it is larger than the sum of its proper divisors (67760164).

82797404 is a wasteful number, since it uses less digits than its factorization.

82797404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445 (or 4443 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 82797404 is about 9099.3078857680. The cubic root of 82797404 is about 435.8518630934.

The spelling of 82797404 in words is "eighty-two million, seven hundred ninety-seven thousand, four hundred four".