80812208990 has 8 divisors (see below), whose sum is σ = 145461976200. Its totient is φ = 32324883592.

The previous prime is 80812208989. The next prime is 80812208993. The reversal of 80812208990 is 9980221808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×80812208990² (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 (80812208993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040610440 + ... + 4040610459.

It is an arithmetic number, because the mean of its divisors is an integer number (18182747025).

Almost surely, 2^80812208990 is an apocalyptic number.

80812208990 is a deficient number, since it is larger than the sum of its proper divisors (64649767210).

80812208990 is a wasteful number, since it uses less digits than its factorization.

80812208990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081220906.

The product of its (nonzero) digits is 165888, while the sum is 47.

The spelling of 80812208990 in words is "eighty billion, eight hundred twelve million, two hundred eight thousand, nine hundred ninety".