80027835860 has 36 divisors (see below), whose sum is σ = 195496572852. Its totient is φ = 27438114816.

The previous prime is 80027835847. The next prime is 80027835887. The reversal of 80027835860 is 6853872008.

It can be written as a sum of positive squares in 2 ways, for example, as 18754754704 + 61273081156 = 136948^2 + 247534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40829549 + ... + 40831508.

It is an arithmetic number, because the mean of its divisors is an integer number (5430460357).

Almost surely, 2^80027835860 is an apocalyptic number.

It is an amenable number.

80027835860 is an abundant number, since it is smaller than the sum of its proper divisors (115468736992).

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

80027835860 is a wasteful number, since it uses less digits than its factorization.

80027835860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81661080 (or 81661071 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 80027835860 in words is "eighty billion, twenty-seven million, eight hundred thirty-five thousand, eight hundred sixty".