80825609784 has 16 divisors (see below), whose sum is σ = 202064024520. Its totient is φ = 26941869920.

The previous prime is 80825609737. The next prime is 80825609801. The reversal of 80825609784 is 48790652808.

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, 1683866847 + ... + 1683866894.

Almost surely, 2^80825609784 is an apocalyptic number.

It is an amenable number.

80825609784 is an abundant number, since it is smaller than the sum of its proper divisors (121238414736).

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

80825609784 is a wasteful number, since it uses less digits than its factorization.

80825609784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367733750 (or 3367733746 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 80825609784 in words is "eighty billion, eight hundred twenty-five million, six hundred nine thousand, seven hundred eighty-four".