77673037856828 has 6 divisors (see below), whose sum is σ = 135927816249456. Its totient is φ = 38836518928412.

The previous prime is 77673037856803. The next prime is 77673037856831. The reversal of 77673037856828 is 82865873037677.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 9709129732100 + ... + 9709129732107.

It is an arithmetic number, because the mean of its divisors is an integer number (22654636041576).

Almost surely, 2^{77673037856828} is an apocalyptic number.

It is an amenable number.

77673037856828 is a deficient number, since it is larger than the sum of its proper divisors (58254778392628).

77673037856828 is a wasteful number, since it uses less digits than its factorization.

77673037856828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19418259464211 (or 19418259464209 counting only the distinct ones).

The product of its (nonzero) digits is 3982970880, while the sum is 77.

The spelling of 77673037856828 in words is "seventy-seven trillion, six hundred seventy-three billion, thirty-seven million, eight hundred fifty-six thousand, eight hundred twenty-eight".