2897657923725 has 144 divisors (see below), whose sum is σ = 5642520998400. Its totient is φ = 1416657029760.

The previous prime is 2897657923723. The next prime is 2897657923729. The reversal of 2897657923725 is 5273297567982.

2897657923725 is a `hidden beast` number, since 2 + 8 + 9 + 7 + 6 + 579 + 23 + 7 + 25 = 666.

It is not a de Polignac number, because 2897657923725 - 2¹ = 2897657923723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897657923723) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19595616 + ... + 19742934.

It is an arithmetic number, because the mean of its divisors is an integer number (39184173600).

Almost surely, 2^{2897657923725} is an apocalyptic number.

2897657923725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2897657923725 is a deficient number, since it is larger than the sum of its proper divisors (2744863074675).

2897657923725 is a wasteful number, since it uses less digits than its factorization.

2897657923725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147504 (or 147496 counting only the distinct ones).

The product of its digits is 800150400, while the sum is 72.

The spelling of 2897657923725 in words is "two trillion, eight hundred ninety-seven billion, six hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred twenty-five".