80856930198 has 32 divisors (see below), whose sum is σ = 176438171520. Its totient is φ = 24498898560.

The previous prime is 80856930197. The next prime is 80856930229. The reversal of 80856930198 is 89103965808.

It is a super-2 number, since 2×80856930198² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80856930197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455886 + ... + 607902.

It is an arithmetic number, because the mean of its divisors is an integer number (5513692860).

Almost surely, 2^80856930198 is an apocalyptic number.

80856930198 is an abundant number, since it is smaller than the sum of its proper divisors (95581241322).

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

80856930198 is a wasteful number, since it uses less digits than its factorization.

80856930198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160092.

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 80856930198 in words is "eighty billion, eight hundred fifty-six million, nine hundred thirty thousand, one hundred ninety-eight".