765797897700 has 144 divisors (see below), whose sum is σ = 2685707478720. Its totient is φ = 185647968000.

The previous prime is 765797897663. The next prime is 765797897701. The reversal of 765797897700 is 7798797567.

It is not an unprimeable number, because it can be changed into a prime (765797897701) 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 47 ways as a sum of consecutive naturals, for example, 12862521 + ... + 12921920.

It is an arithmetic number, because the mean of its divisors is an integer number (18650746380).

Almost surely, 2^765797897700 is an apocalyptic number.

It is an amenable number.

765797897700 is an abundant number, since it is smaller than the sum of its proper divisors (1919909581020).

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

765797897700 is a wasteful number, since it uses less digits than its factorization.

765797897700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25784475 (or 25784462 counting only the distinct ones).

The product of its (nonzero) digits is 326728080, while the sum is 72.

The spelling of 765797897700 in words is "seven hundred sixty-five billion, seven hundred ninety-seven million, eight hundred ninety-seven thousand, seven hundred".