2154127884 has 48 divisors (see below), whose sum is σ = 5093905152. Its totient is φ = 708409152.

The previous prime is 2154127867. The next prime is 2154127909. The reversal of 2154127884 is 4887214512.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207257 + ... + 1209039.

It is an arithmetic number, because the mean of its divisors is an integer number (106123024).

Almost surely, 2^2154127884 is an apocalyptic number.

It is an amenable number.

2154127884 is an abundant number, since it is smaller than the sum of its proper divisors (2939777268).

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

2154127884 is a wasteful number, since it uses less digits than its factorization.

2154127884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086 (or 3084 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 2154127884 is about 46412.5832506660. The cubic root of 2154127884 is about 1291.4883536431.

The spelling of 2154127884 in words is "two billion, one hundred fifty-four million, one hundred twenty-seven thousand, eight hundred eighty-four".