764486334977 has 4 divisors (see below), whose sum is σ = 765187056816. Its totient is φ = 763785613140.

The previous prime is 764486334959. The next prime is 764486334979. The reversal of 764486334977 is 779433684467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 764486334977 - 2²⁶ = 764419226113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764486334979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350359283 + ... + 350361464.

It is an arithmetic number, because the mean of its divisors is an integer number (191296764204).

Almost surely, 2^764486334977 is an apocalyptic number.

It is an amenable number.

764486334977 is a deficient number, since it is larger than the sum of its proper divisors (700721839).

764486334977 is a wasteful number, since it uses less digits than its factorization.

764486334977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700721838.

The product of its digits is 512096256, while the sum is 68.

The spelling of 764486334977 in words is "seven hundred sixty-four billion, four hundred eighty-six million, three hundred thirty-four thousand, nine hundred seventy-seven".