80579885802 has 24 divisors (see below), whose sum is σ = 174510287424. Its totient is φ = 24793810704.

The previous prime is 80579885801. The next prime is 80579885807. The reversal of 80579885802 is 20858897508.

It is a happy number.

It is a super-2 number, since 2×80579885802² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80579885801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39732658 + ... + 39734685.

It is an arithmetic number, because the mean of its divisors is an integer number (7271261976).

Almost surely, 2^80579885802 is an apocalyptic number.

80579885802 is an abundant number, since it is smaller than the sum of its proper divisors (93930401622).

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

80579885802 is a wasteful number, since it uses less digits than its factorization.

80579885802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79467374 (or 79467361 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 60.

The spelling of 80579885802 in words is "eighty billion, five hundred seventy-nine million, eight hundred eighty-five thousand, eight hundred two".