87798608 has 40 divisors (see below), whose sum is σ = 183202560. Its totient is φ = 40609280.

The previous prime is 87798587. The next prime is 87798619. The reversal of 87798608 is 80689778.

It is a self number, because there is not a number n which added to its sum of digits gives 87798608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13313 + ... + 18783.

It is an arithmetic number, because the mean of its divisors is an integer number (4580064).

Almost surely, 2^87798608 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 87798608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91601280).

87798608 is an abundant number, since it is smaller than the sum of its proper divisors (95403952).

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

87798608 is a wasteful number, since it uses less digits than its factorization.

87798608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 87798608 is about 9370.0911414991. The cubic root of 87798608 is about 444.4564469722.

The spelling of 87798608 in words is "eighty-seven million, seven hundred ninety-eight thousand, six hundred eight".