80287794512 has 20 divisors (see below), whose sum is σ = 155928874080. Its totient is φ = 40048085088.

The previous prime is 80287794469. The next prime is 80287794523. The reversal of 80287794512 is 21549778208.

It is a super-2 number, since 2×80287794512² (a number of 23 digits) contains 22 as substring.

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, 5981348 + ... + 5994755.

It is an arithmetic number, because the mean of its divisors is an integer number (7796443704).

Almost surely, 2^80287794512 is an apocalyptic number.

It is an amenable number.

80287794512 is a deficient number, since it is larger than the sum of its proper divisors (75641079568).

80287794512 is a wasteful number, since it uses less digits than its factorization.

80287794512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976530 (or 11976524 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 80287794512 in words is "eighty billion, two hundred eighty-seven million, seven hundred ninety-four thousand, five hundred twelve".