49999999884 has 48 divisors (see below), whose sum is σ = 117257995008. Its totient is φ = 16582353088.

The previous prime is 49999999867. The next prime is 49999999957. The reversal of 49999999884 is 48899999994.

It is a self number, because there is not a number n which added to its sum of digits gives 49999999884.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600434 + ... + 2619590.

It is an arithmetic number, because the mean of its divisors is an integer number (2442874896).

Almost surely, 2^49999999884 is an apocalyptic number.

It is an amenable number.

49999999884 is an abundant number, since it is smaller than the sum of its proper divisors (67257995124).

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

49999999884 is a wasteful number, since it uses less digits than its factorization.

49999999884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20254 (or 20252 counting only the distinct ones).

The product of its digits is 4897760256, while the sum is 87.

The spelling of 49999999884 in words is "forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred eighty-four".