764777025982 has 8 divisors (see below), whose sum is σ = 1154864637000. Its totient is φ = 379822146984.

The previous prime is 764777025953. The next prime is 764777025983. The reversal of 764777025982 is 289520777467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764777025983) 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 3 ways as a sum of consecutive naturals, for example, 1283182632 + ... + 1283183227.

It is an arithmetic number, because the mean of its divisors is an integer number (144358079625).

Almost surely, 2^764777025982 is an apocalyptic number.

764777025982 is a deficient number, since it is larger than the sum of its proper divisors (390087611018).

764777025982 is a wasteful number, since it uses less digits than its factorization.

764777025982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566366010.

The product of its (nonzero) digits is 82978560, while the sum is 64.

The spelling of 764777025982 in words is "seven hundred sixty-four billion, seven hundred seventy-seven million, twenty-five thousand, nine hundred eighty-two".