2578857372 has 96 divisors (see below), whose sum is σ = 8228864000. Its totient is φ = 680135616.

The previous prime is 2578857371. The next prime is 2578857383. The reversal of 2578857372 is 2737588752.

It is a super-3 number, since 3×2578857372³ (a number of 29 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578857371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121372 + ... + 141027.

Almost surely, 2^2578857372 is an apocalyptic number.

It is an amenable number.

2578857372 is an abundant number, since it is smaller than the sum of its proper divisors (5650006628).

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

2578857372 is a wasteful number, since it uses less digits than its factorization.

2578857372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262432 (or 262424 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The square root of 2578857372 is about 50782.4514177880. The cubic root of 2578857372 is about 1371.3314656133.

The spelling of 2578857372 in words is "two billion, five hundred seventy-eight million, eight hundred fifty-seven thousand, three hundred seventy-two".