80003818868 has 24 divisors (see below), whose sum is σ = 140635232640. Its totient is φ = 39822426560.

The previous prime is 80003818859. The next prime is 80003818889. The reversal of 80003818868 is 86881830008.

It is a super-2 number, since 2×80003818868² (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 7 ways as a sum of consecutive naturals, for example, 3699455 + ... + 3721017.

It is an arithmetic number, because the mean of its divisors is an integer number (5859801360).

Almost surely, 2^80003818868 is an apocalyptic number.

It is an amenable number.

80003818868 is a deficient number, since it is larger than the sum of its proper divisors (60631413772).

80003818868 is a wasteful number, since it uses less digits than its factorization.

80003818868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25687 (or 25685 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 50.

The spelling of 80003818868 in words is "eighty billion, three million, eight hundred eighteen thousand, eight hundred sixty-eight".