764633484780 has 96 divisors (see below), whose sum is σ = 2458534498560. Its totient is φ = 175609601280.

The previous prime is 764633484701. The next prime is 764633484787. The reversal of 764633484780 is 87484336467.

764633484780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (764633484787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30475239 + ... + 30500318.

It is an arithmetic number, because the mean of its divisors is an integer number (25609734360).

Almost surely, 2^764633484780 is an apocalyptic number.

It is an amenable number.

764633484780 is an abundant number, since it is smaller than the sum of its proper divisors (1693901013780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764633484780 is a wasteful number, since it uses less digits than its factorization.

764633484780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60975599 (or 60975597 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 60.

The spelling of 764633484780 in words is "seven hundred sixty-four billion, six hundred thirty-three million, four hundred eighty-four thousand, seven hundred eighty".