82782904 has 32 divisors (see below), whose sum is σ = 158442480. Its totient is φ = 40541184.

The previous prime is 82782901. The next prime is 82782919. The reversal of 82782904 is 40928728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82782901) 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, 82534 + ... + 83530.

Almost surely, 2^82782904 is an apocalyptic number.

It is an amenable number.

82782904 is a deficient number, since it is larger than the sum of its proper divisors (75659576).

82782904 is a wasteful number, since it uses less digits than its factorization.

82782904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 82782904 is about 9098.5110869856. The cubic root of 82782904 is about 435.8264185719.

The spelling of 82782904 in words is "eighty-two million, seven hundred eighty-two thousand, nine hundred four".