980899992 has 48 divisors (see below), whose sum is σ = 2658183840. Its totient is φ = 326772288.

The previous prime is 980899963. The next prime is 980900027. The reversal of 980899992 is 299998089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168718 + ... + 174434.

It is an arithmetic number, because the mean of its divisors is an integer number (55378830).

Almost surely, 2^980899992 is an apocalyptic number.

It is an amenable number.

980899992 is an abundant number, since it is smaller than the sum of its proper divisors (1677283848).

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

980899992 is a wasteful number, since it uses less digits than its factorization.

980899992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112 (or 8105 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 63.

The square root of 980899992 is about 31319.3229811885. The cubic root of 980899992 is about 993.5923605175.

The spelling of 980899992 in words is "nine hundred eighty million, eight hundred ninety-nine thousand, nine hundred ninety-two".