77619133604 has 12 divisors (see below), whose sum is σ = 135852124464. Its totient is φ = 38804240904.

The previous prime is 77619133591. The next prime is 77619133637. The reversal of 77619133604 is 40633191677.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298594 + ... + 1357049.

It is an arithmetic number, because the mean of its divisors is an integer number (11321010372).

Almost surely, 2^77619133604 is an apocalyptic number.

It is an amenable number.

77619133604 is a deficient number, since it is larger than the sum of its proper divisors (58232990860).

77619133604 is a wasteful number, since it uses less digits than its factorization.

77619133604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662954 (or 2662952 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 77619133604 in words is "seventy-seven billion, six hundred nineteen million, one hundred thirty-three thousand, six hundred four".