76774673738 has 32 divisors (see below), whose sum is σ = 141919827840. Its totient is φ = 30411383040.

The previous prime is 76774673663. The next prime is 76774673753. The reversal of 76774673738 is 83737647767.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3508931 + ... + 3530742.

It is an arithmetic number, because the mean of its divisors is an integer number (4434994620).

Almost surely, 2^76774673738 is an apocalyptic number.

76774673738 is a deficient number, since it is larger than the sum of its proper divisors (65145154102).

76774673738 is a wasteful number, since it uses less digits than its factorization.

76774673738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039742.

The product of its digits is 174254976, while the sum is 65.

The spelling of 76774673738 in words is "seventy-six billion, seven hundred seventy-four million, six hundred seventy-three thousand, seven hundred thirty-eight".