77555111047004 has 48 divisors (see below), whose sum is σ = 137836807557120. Its totient is φ = 38178055406400.

The previous prime is 77555111046967. The next prime is 77555111047013. The reversal of 77555111047004 is 40074011155577.

It is a self number, because there is not a number n which added to its sum of digits gives 77555111047004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54056957 + ... + 55473099.

It is an arithmetic number, because the mean of its divisors is an integer number (2871600157440).

Almost surely, 2^{77555111047004} is an apocalyptic number.

It is an amenable number.

77555111047004 is a deficient number, since it is larger than the sum of its proper divisors (60281696510116).

77555111047004 is a wasteful number, since it uses less digits than its factorization.

77555111047004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417010 (or 1417008 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 47.

The spelling of 77555111047004 in words is "seventy-seven trillion, five hundred fifty-five billion, one hundred eleven million, forty-seven thousand, four".