764676746812 has 48 divisors (see below), whose sum is σ = 1464804036864. Its totient is φ = 346398624000.

The previous prime is 764676746759. The next prime is 764676746843. The reversal of 764676746812 is 218647676467.

It is a happy number.

It is a super-2 number, since 2×764676746812² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 45445833 + ... + 45462655.

It is an arithmetic number, because the mean of its divisors is an integer number (30516750768).

Almost surely, 2^764676746812 is an apocalyptic number.

It is an amenable number.

764676746812 is a deficient number, since it is larger than the sum of its proper divisors (700127290052).

764676746812 is a wasteful number, since it uses less digits than its factorization.

764676746812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20290 (or 20288 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 64.

The spelling of 764676746812 in words is "seven hundred sixty-four billion, six hundred seventy-six million, seven hundred forty-six thousand, eight hundred twelve".