77242386934 has 16 divisors (see below), whose sum is σ = 121967697600. Its totient is φ = 36586688904.

The previous prime is 77242386929. The next prime is 77242386943. The reversal of 77242386934 is 43968324277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028449 + ... + 1100995.

It is an arithmetic number, because the mean of its divisors is an integer number (7622981100).

Almost surely, 2^77242386934 is an apocalyptic number.

77242386934 is a deficient number, since it is larger than the sum of its proper divisors (44725310666).

77242386934 is a wasteful number, since it uses less digits than its factorization.

77242386934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100587.

The product of its digits is 12192768, while the sum is 55.

The spelling of 77242386934 in words is "seventy-seven billion, two hundred forty-two million, three hundred eighty-six thousand, nine hundred thirty-four".