2578857752 has 16 divisors (see below), whose sum is σ = 4836782160. Its totient is φ = 1289049184.

The previous prime is 2578857733. The next prime is 2578857763. The reversal of 2578857752 is 2577588752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17483 + ... + 73914.

It is an arithmetic number, because the mean of its divisors is an integer number (302298885).

Almost surely, 2^2578857752 is an apocalyptic number.

It is an amenable number.

2578857752 is a deficient number, since it is larger than the sum of its proper divisors (2257924408).

2578857752 is a wasteful number, since it uses less digits than its factorization.

2578857752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94930 (or 94926 counting only the distinct ones).

The product of its digits is 10976000, while the sum is 56.

The square root of 2578857752 is about 50782.4551592378. The cubic root of 2578857752 is about 1371.3315329695.

The spelling of 2578857752 in words is "two billion, five hundred seventy-eight million, eight hundred fifty-seven thousand, seven hundred fifty-two".