87997008 has 120 divisors (see below), whose sum is σ = 253976800. Its totient is φ = 26231040.

The previous prime is 87997001. The next prime is 87997009. The reversal of 87997008 is 80079978.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87997001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633003 + ... + 633141.

Almost surely, 2^87997008 is an apocalyptic number.

87997008 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87997008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126988400).

87997008 is an abundant number, since it is smaller than the sum of its proper divisors (165979792).

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

87997008 is a wasteful number, since it uses less digits than its factorization.

87997008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 87997008 is about 9380.6720441555. The cubic root of 87997008 is about 444.7909770352.

The spelling of 87997008 in words is "eighty-seven million, nine hundred ninety-seven thousand, eight".