102887808 has 64 divisors (see below), whose sum is σ = 289390320. Its totient is φ = 32276480.

The previous prime is 102887797. The next prime is 102887843. The reversal of 102887808 is 808788201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 102887808.

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, 1353 + ... + 14408.

Almost surely, 2^102887808 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 102887808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144695160).

102887808 is an abundant number, since it is smaller than the sum of its proper divisors (186502512).

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

102887808 is a wasteful number, since it uses less digits than its factorization.

102887808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15795 (or 15783 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 42.

The square root of 102887808 is about 10143.3627560095. The cubic root of 102887808 is about 468.5845570101.

The spelling of 102887808 in words is "one hundred two million, eight hundred eighty-seven thousand, eight hundred eight".