2897657923722 has 16 divisors (see below), whose sum is σ = 5795342966592. Its totient is φ = 965881454720.

The previous prime is 2897657923681. The next prime is 2897657923723. The reversal of 2897657923722 is 2273297567982.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423322 + ... + 2444282.

It is an arithmetic number, because the mean of its divisors is an integer number (362208935412).

Almost surely, 2^{2897657923722} is an apocalyptic number.

2897657923722 is an abundant number, since it is smaller than the sum of its proper divisors (2897685042870).

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

2897657923722 is a wasteful number, since it uses less digits than its factorization.

2897657923722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259933.

The product of its digits is 320060160, while the sum is 69.

The spelling of 2897657923722 in words is "two trillion, eight hundred ninety-seven billion, six hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred twenty-two".