8190889700 has 36 divisors (see below), whose sum is σ = 20313408192. Its totient is φ = 2808304800.

The previous prime is 8190889687. The next prime is 8190889739. The reversal of 8190889700 is 79880918.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5849936 + ... + 5851335.

Almost surely, 2^8190889700 is an apocalyptic number.

It is an amenable number.

8190889700 is an abundant number, since it is smaller than the sum of its proper divisors (12122518492).

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

8190889700 is a wasteful number, since it uses less digits than its factorization.

8190889700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11701292 (or 11701285 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 50.

The square root of 8190889700 is about 90503.5341851356. The cubic root of 8190889700 is about 2015.7826021270.

The spelling of 8190889700 in words is "eight billion, one hundred ninety million, eight hundred eighty-nine thousand, seven hundred".