764518254064 has 40 divisors (see below), whose sum is σ = 1547503542720. Its totient is φ = 365423520000.

The previous prime is 764518254013. The next prime is 764518254079. The reversal of 764518254064 is 460452815467.

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 7 ways as a sum of consecutive naturals, for example, 8109912 + ... + 8203639.

It is an arithmetic number, because the mean of its divisors is an integer number (38687588568).

Almost surely, 2^764518254064 is an apocalyptic number.

It is an amenable number.

764518254064 is an abundant number, since it is smaller than the sum of its proper divisors (782985288656).

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

764518254064 is a wasteful number, since it uses less digits than its factorization.

764518254064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16313689 (or 16313683 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 764518254064 in words is "seven hundred sixty-four billion, five hundred eighteen million, two hundred fifty-four thousand, sixty-four".