77013973194 has 32 divisors (see below), whose sum is σ = 154746599040. Its totient is φ = 25551822912.

The previous prime is 77013973193. The next prime is 77013973271. The reversal of 77013973194 is 49137931077.

It is not an unprimeable number, because it can be changed into a prime (77013973193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105339 + ... + 1172945.

It is an arithmetic number, because the mean of its divisors is an integer number (4835831220).

Almost surely, 2^77013973194 is an apocalyptic number.

77013973194 is an abundant number, since it is smaller than the sum of its proper divisors (77732625846).

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

77013973194 is a wasteful number, since it uses less digits than its factorization.

77013973194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68494.

The product of its (nonzero) digits is 1000188, while the sum is 51.

The spelling of 77013973194 in words is "seventy-seven billion, thirteen million, nine hundred seventy-three thousand, one hundred ninety-four".