770073215664 has 40 divisors (see below), whose sum is σ = 2057954286960. Its totient is φ = 247839655168.

The previous prime is 770073215621. The next prime is 770073215669. The reversal of 770073215664 is 466512370077.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (770073215669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276605367 + ... + 276608150.

It is an arithmetic number, because the mean of its divisors is an integer number (51448857174).

Almost surely, 2^770073215664 is an apocalyptic number.

It is an amenable number.

770073215664 is an abundant number, since it is smaller than the sum of its proper divisors (1287881071296).

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

770073215664 is a wasteful number, since it uses less digits than its factorization.

770073215664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553213557 (or 553213551 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 770073215664 in words is "seven hundred seventy billion, seventy-three million, two hundred fifteen thousand, six hundred sixty-four".