2875561884 has 72 divisors (see below), whose sum is σ = 8117877040. Its totient is φ = 884784384.

The previous prime is 2875561861. The next prime is 2875561921. The reversal of 2875561884 is 4881655782.

2875561884 is a `hidden beast` number, since 2 + 8 + 7 + 556 + 1 + 8 + 84 = 666.

It is a super-2 number, since 2×2875561884² = 16537712297427258912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2875561884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101149 + ... + 126420.

Almost surely, 2^2875561884 is an apocalyptic number.

It is an amenable number.

2875561884 is an abundant number, since it is smaller than the sum of its proper divisors (5242315156).

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

2875561884 is a wasteful number, since it uses less digits than its factorization.

2875561884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227601 (or 227587 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The square root of 2875561884 is about 53624.2658131559. The cubic root of 2875561884 is about 1422.0261171297.

The spelling of 2875561884 in words is "two billion, eight hundred seventy-five million, five hundred sixty-one thousand, eight hundred eighty-four".