764468772776 has 8 divisors (see below), whose sum is σ = 1433378948970. Its totient is φ = 382234386384.

The previous prime is 764468772757. The next prime is 764468772791. The reversal of 764468772776 is 677277864467.

It can be written as a sum of positive squares in only one way, i.e., 649839127876 + 114629644900 = 806126^2 + 338570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47779298291 + ... + 47779298306.

Almost surely, 2^764468772776 is an apocalyptic number.

It is an amenable number.

764468772776 is a deficient number, since it is larger than the sum of its proper divisors (668910176194).

764468772776 is a wasteful number, since it uses less digits than its factorization.

764468772776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95558596603 (or 95558596599 counting only the distinct ones).

The product of its digits is 929359872, while the sum is 71.

The spelling of 764468772776 in words is "seven hundred sixty-four billion, four hundred sixty-eight million, seven hundred seventy-two thousand, seven hundred seventy-six".