770847071568 has 80 divisors (see below), whose sum is σ = 2307888285696. Its totient is φ = 217140013440.

The previous prime is 770847071551. The next prime is 770847071611. The reversal of 770847071568 is 865170748077.

It is a super-2 number, since 2×770847071568² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16132396 + ... + 16180107.

Almost surely, 2^770847071568 is an apocalyptic number.

It is an amenable number.

770847071568 is an abundant number, since it is smaller than the sum of its proper divisors (1537041214128).

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

770847071568 is a wasteful number, since it uses less digits than its factorization.

770847071568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32312592 (or 32312586 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 60.

The spelling of 770847071568 in words is "seven hundred seventy billion, eight hundred forty-seven million, seventy-one thousand, five hundred sixty-eight".