80969766464 has 28 divisors (see below), whose sum is σ = 169130929200. Its totient is φ = 38354099328.

The previous prime is 80969766433. The next prime is 80969766499. The reversal of 80969766464 is 46466796908.

It is a super-2 number, since 2×80969766464² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80969766464.

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, 33292274 + ... + 33294705.

Almost surely, 2^80969766464 is an apocalyptic number.

It is an amenable number.

80969766464 is an abundant number, since it is smaller than the sum of its proper divisors (88161162736).

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

80969766464 is a wasteful number, since it uses less digits than its factorization.

80969766464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66587010 (or 66587000 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 65.

The spelling of 80969766464 in words is "eighty billion, nine hundred sixty-nine million, seven hundred sixty-six thousand, four hundred sixty-four".