77100410044 has 18 divisors (see below), whose sum is σ = 156954406560. Its totient is φ = 33043032792.

The previous prime is 77100410039. The next prime is 77100410059. The reversal of 77100410044 is 44001400177.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 77100409994 and 77100410021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196684524 + ... + 196684915.

Almost surely, 2^77100410044 is an apocalyptic number.

It is an amenable number.

77100410044 is an abundant number, since it is smaller than the sum of its proper divisors (79853996516).

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

77100410044 is a wasteful number, since it uses less digits than its factorization.

77100410044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393369457 (or 393369448 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The spelling of 77100410044 in words is "seventy-seven billion, one hundred million, four hundred ten thousand, forty-four".