77706074634 has 8 divisors (see below), whose sum is σ = 155412149280. Its totient is φ = 25902024876.

The previous prime is 77706074629. The next prime is 77706074669. The reversal of 77706074634 is 43647060777.

It is a sphenic number, since it is the product of 3 distinct primes.

77706074634 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6475506214 + ... + 6475506225.

It is an arithmetic number, because the mean of its divisors is an integer number (19426518660).

Almost surely, 2^77706074634 is an apocalyptic number.

77706074634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77706074634 is a wasteful number, since it uses less digits than its factorization.

77706074634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12951012444.

The product of its (nonzero) digits is 4148928, while the sum is 51.

The spelling of 77706074634 in words is "seventy-seven billion, seven hundred six million, seventy-four thousand, six hundred thirty-four".