887639998 has 24 divisors (see below), whose sum is σ = 1549875600. Its totient is φ = 380163168.

The previous prime is 887639983. The next prime is 887640011. The reversal of 887639998 is 899936788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265783 + ... + 269101.

It is an arithmetic number, because the mean of its divisors is an integer number (64578150).

Almost surely, 2^887639998 is an apocalyptic number.

887639998 is a deficient number, since it is larger than the sum of its proper divisors (662235602).

887639998 is a wasteful number, since it uses less digits than its factorization.

887639998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064 (or 6057 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 67.

The square root of 887639998 is about 29793.2878011139. The cubic root of 887639998 is about 961.0491993943.

The spelling of 887639998 in words is "eight hundred eighty-seven million, six hundred thirty-nine thousand, nine hundred ninety-eight".