761897968512 has 32 divisors (see below), whose sum is σ = 2023791479880. Its totient is φ = 253965989376.

The previous prime is 761897968493. The next prime is 761897968541. The reversal of 761897968512 is 215869798167.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992054263 + ... + 992055030.

Almost surely, 2^761897968512 is an apocalyptic number.

It is an amenable number.

761897968512 is an abundant number, since it is smaller than the sum of its proper divisors (1261893511368).

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

761897968512 is a wasteful number, since it uses less digits than its factorization.

761897968512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984109310 (or 1984109298 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 69.

The spelling of 761897968512 in words is "seven hundred sixty-one billion, eight hundred ninety-seven million, nine hundred sixty-eight thousand, five hundred twelve".