77033423079 has 6 divisors (see below), whose sum is σ = 111270500016. Its totient is φ = 51355615380.

The previous prime is 77033423063. The next prime is 77033423087. The reversal of 77033423079 is 97032433077.

77033423079 is a `hidden beast` number, since 7 + 7 + 0 + 334 + 2 + 307 + 9 = 666.

It is not a de Polignac number, because 77033423079 - 2⁴ = 77033423063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77033423039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4279634607 + ... + 4279634624.

It is an arithmetic number, because the mean of its divisors is an integer number (18545083336).

Almost surely, 2^77033423079 is an apocalyptic number.

77033423079 is a deficient number, since it is larger than the sum of its proper divisors (34237076937).

77033423079 is a wasteful number, since it uses less digits than its factorization.

77033423079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8559269237 (or 8559269234 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The spelling of 77033423079 in words is "seventy-seven billion, thirty-three million, four hundred twenty-three thousand, seventy-nine".