2897657923770 has 48 divisors (see below), whose sum is σ = 7534451594592. Its totient is φ = 772653293280.

The previous prime is 2897657923757. The next prime is 2897657923789. The reversal of 2897657923770 is 773297567982.

2897657923770 is a `hidden beast` number, since 28 + 9 + 7 + 6 + 579 + 23 + 7 + 7 + 0 = 666.

2897657923770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112029 + ... + 2409951.

It is an arithmetic number, because the mean of its divisors is an integer number (156967741554).

Almost surely, 2^{2897657923770} is an apocalyptic number.

2897657923770 is an abundant number, since it is smaller than the sum of its proper divisors (4636793670822).

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

2897657923770 is a wasteful number, since it uses less digits than its factorization.

2897657923770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311947 (or 2311944 counting only the distinct ones).

The product of its (nonzero) digits is 560105280, while the sum is 72.

The spelling of 2897657923770 in words is "two trillion, eight hundred ninety-seven billion, six hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred seventy".