77604979282 has 16 divisors (see below), whose sum is σ = 122395914432. Its totient is φ = 36832098160.

The previous prime is 77604979253. The next prime is 77604979297. The reversal of 77604979282 is 28297940677.

It is a self number, because there is not a number n which added to its sum of digits gives 77604979282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6433153 + ... + 6445204.

It is an arithmetic number, because the mean of its divisors is an integer number (7649744652).

Almost surely, 2^77604979282 is an apocalyptic number.

77604979282 is a deficient number, since it is larger than the sum of its proper divisors (44790935150).

77604979282 is a wasteful number, since it uses less digits than its factorization.

77604979282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878513.

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 77604979282 in words is "seventy-seven billion, six hundred four million, nine hundred seventy-nine thousand, two hundred eighty-two".