82904373578 has 16 divisors (see below), whose sum is σ = 134231757576. Its totient is φ = 38175183360.

The previous prime is 82904373533. The next prime is 82904373589. The reversal of 82904373578 is 87537340928.

It can be written as a sum of positive squares in 4 ways, for example, as 30007593529 + 52896780049 = 173227^2 + 229993^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3670763 + ... + 3693278.

Almost surely, 2^82904373578 is an apocalyptic number.

82904373578 is a deficient number, since it is larger than the sum of its proper divisors (51327383998).

82904373578 is a wasteful number, since it uses less digits than its factorization.

82904373578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364489.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 82904373578 in words is "eighty-two billion, nine hundred four million, three hundred seventy-three thousand, five hundred seventy-eight".