76731777651 has 16 divisors (see below), whose sum is σ = 102922096896. Its totient is φ = 50848113696.

The previous prime is 76731777641. The next prime is 76731777653. The reversal of 76731777651 is 15677713767.

It is not a de Polignac number, because 76731777651 - 2⁷ = 76731777523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76731777591 and 76731777600.

It is not an unprimeable number, because it can be changed into a prime (76731777653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3019866 + ... + 3045168.

It is an arithmetic number, because the mean of its divisors is an integer number (6432631056).

Almost surely, 2^76731777651 is an apocalyptic number.

76731777651 is a deficient number, since it is larger than the sum of its proper divisors (26190319245).

76731777651 is a wasteful number, since it uses less digits than its factorization.

76731777651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31322.

The product of its digits is 9075780, while the sum is 57.

The spelling of 76731777651 in words is "seventy-six billion, seven hundred thirty-one million, seven hundred seventy-seven thousand, six hundred fifty-one".