800987988 has 48 divisors (see below), whose sum is σ = 1930283264. Its totient is φ = 258318720.

The previous prime is 800987987. The next prime is 800987989. The reversal of 800987988 is 889789008.

It is an interprime number because it is at equal distance from previous prime (800987987) and next prime (800987989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800987981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75381 + ... + 85347.

Almost surely, 2^800987988 is an apocalyptic number.

It is an amenable number.

800987988 is an abundant number, since it is smaller than the sum of its proper divisors (1129295276).

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

800987988 is a wasteful number, since it uses less digits than its factorization.

800987988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192 (or 10190 counting only the distinct ones).

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

The square root of 800987988 is about 28301.7311837986. The cubic root of 800987988 is about 928.6997623518.

The spelling of 800987988 in words is "eight hundred million, nine hundred eighty-seven thousand, nine hundred eighty-eight".