77673434104 has 16 divisors (see below), whose sum is σ = 166443073200. Its totient is φ = 33288614592.

The previous prime is 77673434051. The next prime is 77673434107. The reversal of 77673434104 is 40143437677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77673434107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693512749 + ... + 693512860.

It is an arithmetic number, because the mean of its divisors is an integer number (10402692075).

Almost surely, 2^77673434104 is an apocalyptic number.

It is an amenable number.

77673434104 is an abundant number, since it is smaller than the sum of its proper divisors (88769639096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77673434104 is a wasteful number, since it uses less digits than its factorization.

77673434104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387025622 (or 1387025618 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 46.

The spelling of 77673434104 in words is "seventy-seven billion, six hundred seventy-three million, four hundred thirty-four thousand, one hundred four".