2887500138 has 16 divisors (see below), whose sum is σ = 5909303136. Its totient is φ = 940116240.

The previous prime is 2887500127. The next prime is 2887500169. The reversal of 2887500138 is 8310057882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2887500138.

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, 5595673 + ... + 5596188.

It is an arithmetic number, because the mean of its divisors is an integer number (369331446).

Almost surely, 2^2887500138 is an apocalyptic number.

2887500138 is an abundant number, since it is smaller than the sum of its proper divisors (3021802998).

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

2887500138 is a wasteful number, since it uses less digits than its factorization.

2887500138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191909.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 2887500138 is about 53735.4644345799. The cubic root of 2887500138 is about 1423.9913063503.

The spelling of 2887500138 in words is "two billion, eight hundred eighty-seven million, five hundred thousand, one hundred thirty-eight".