80089201800 has 72 divisors (see below), whose sum is σ = 268966242090. Its totient is φ = 21357120000.

The previous prime is 80089201783. The next prime is 80089201877. The reversal of 80089201800 is 810298008.

It can be written as a sum of positive squares in 3 ways, for example, as 72579592836 + 7509608964 = 269406^2 + 86658^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×80089201800² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22245201 + ... + 22248800.

Almost surely, 2^80089201800 is an apocalyptic number.

It is an amenable number.

80089201800 is an abundant number, since it is smaller than the sum of its proper divisors (188877040290).

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

80089201800 is a wasteful number, since it uses less digits than its factorization.

80089201800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44494023 (or 44494011 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

Adding to 80089201800 its reverse (810298008), we get a palindrome (80899499808).

The spelling of 80089201800 in words is "eighty billion, eighty-nine million, two hundred one thousand, eight hundred".