769555666555968 has 112 divisors (see below), whose sum is σ = 2047373111540736. Its totient is φ = 255103945259520.

The previous prime is 769555666555967. The next prime is 769555666555987. The reversal of 769555666555968 is 869555666555967.

It is not an unprimeable number, because it can be changed into a prime (769555666555967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13252573 + ... + 41409443.

It is an arithmetic number, because the mean of its divisors is an integer number (18280117067328).

Almost surely, 2^{769555666555968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769555666555968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023686555770368).

769555666555968 is an abundant number, since it is smaller than the sum of its proper divisors (1277817444984768).

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

769555666555968 is a wasteful number, since it uses less digits than its factorization.

769555666555968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28157672 (or 28157662 counting only the distinct ones).

The product of its digits is 551124000000, while the sum is 93.

Subtracting 769555666555968 from its reverse (869555666555967), we obtain a palindrome (99999999999999).

The spelling of 769555666555968 in words is "seven hundred sixty-nine trillion, five hundred fifty-five billion, six hundred sixty-six million, five hundred fifty-five thousand, nine hundred sixty-eight".