2657897392 has 20 divisors (see below), whose sum is σ = 5150630160. Its totient is φ = 1328702528.

The previous prime is 2657897339. The next prime is 2657897393. The reversal of 2657897392 is 2937987562.

2657897392 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 (2657897393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99834 + ... + 123622.

It is an arithmetic number, because the mean of its divisors is an integer number (257531508).

Almost surely, 2^2657897392 is an apocalyptic number.

It is an amenable number.

2657897392 is a deficient number, since it is larger than the sum of its proper divisors (2492732768).

2657897392 is a wasteful number, since it uses less digits than its factorization.

2657897392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30780 (or 30774 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 58.

The square root of 2657897392 is about 51554.7998929295. The cubic root of 2657897392 is about 1385.2008105483.

The spelling of 2657897392 in words is "two billion, six hundred fifty-seven million, eight hundred ninety-seven thousand, three hundred ninety-two".