2578957896 has 32 divisors (see below), whose sum is σ = 6475811040. Its totient is φ = 855863808.

The previous prime is 2578957879. The next prime is 2578957897. The reversal of 2578957896 is 6987598752.

It is a happy number.

2578957896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2578957897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231241 + ... + 242136.

It is an arithmetic number, because the mean of its divisors is an integer number (202369095).

Almost surely, 2^2578957896 is an apocalyptic number.

It is an amenable number.

2578957896 is an abundant number, since it is smaller than the sum of its proper divisors (3896853144).

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

2578957896 is a wasteful number, since it uses less digits than its factorization.

2578957896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473613 (or 473609 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 66.

The square root of 2578957896 is about 50783.4411594961. The cubic root of 2578957896 is about 1371.3492835734.

The spelling of 2578957896 in words is "two billion, five hundred seventy-eight million, nine hundred fifty-seven thousand, eight hundred ninety-six".