989870088 has 16 divisors (see below), whose sum is σ = 2474675280. Its totient is φ = 329956688.

The previous prime is 989870087. The next prime is 989870117. The reversal of 989870088 is 880078989.

It is a super-2 number, since 2×989870088² = 1959685582234255488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (989870087) 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, 20622270 + ... + 20622317.

It is an arithmetic number, because the mean of its divisors is an integer number (154667205).

Almost surely, 2^989870088 is an apocalyptic number.

It is an amenable number.

989870088 is an abundant number, since it is smaller than the sum of its proper divisors (1484805192).

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

989870088 is a wasteful number, since it uses less digits than its factorization.

989870088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41244596 (or 41244592 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 57.

The square root of 989870088 is about 31462.2009401758. The cubic root of 989870088 is about 996.6118963849.

The spelling of 989870088 in words is "nine hundred eighty-nine million, eight hundred seventy thousand, eighty-eight".