8330987988 has 144 divisors (see below), whose sum is σ = 22970787840. Its totient is φ = 2536142400.

The previous prime is 8330987971. The next prime is 8330987993. The reversal of 8330987988 is 8897890338.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7017931 + ... + 7019117.

It is an arithmetic number, because the mean of its divisors is an integer number (159519360).

Almost surely, 2^8330987988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8330987988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11485393920).

8330987988 is an abundant number, since it is smaller than the sum of its proper divisors (14639799852).

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

8330987988 is a wasteful number, since it uses less digits than its factorization.

8330987988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 8330987988 is about 91274.2460281103. The cubic root of 8330987988 is about 2027.2104491576.

The spelling of 8330987988 in words is "eight billion, three hundred thirty million, nine hundred eighty-seven thousand, nine hundred eighty-eight".