77900550794 has 32 divisors (see below), whose sum is σ = 130627002240. Its totient is φ = 34533990400.

The previous prime is 77900550757. The next prime is 77900550823. The reversal of 77900550794 is 49705500977.

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, 2989787 + ... + 3015729.

It is an arithmetic number, because the mean of its divisors is an integer number (4082093820).

Almost surely, 2^77900550794 is an apocalyptic number.

77900550794 is a deficient number, since it is larger than the sum of its proper divisors (52726451446).

77900550794 is a wasteful number, since it uses less digits than its factorization.

77900550794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29326.

The product of its (nonzero) digits is 2778300, while the sum is 53.

The spelling of 77900550794 in words is "seventy-seven billion, nine hundred million, five hundred fifty thousand, seven hundred ninety-four".