2897657923692 has 96 divisors (see below), whose sum is σ = 8002618283520. Its totient is φ = 798445992960.

The previous prime is 2897657923681. The next prime is 2897657923723. The reversal of 2897657923692 is 2963297567982.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1471023 + ... + 2821209.

It is an arithmetic number, because the mean of its divisors is an integer number (83360607120).

Almost surely, 2^{2897657923692} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897657923692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4001309141760).

2897657923692 is an abundant number, since it is smaller than the sum of its proper divisors (5104960359828).

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

2897657923692 is a wasteful number, since it uses less digits than its factorization.

2897657923692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351111 (or 1351109 counting only the distinct ones).

The product of its digits is 1234517760, while the sum is 75.

The spelling of 2897657923692 in words is "two trillion, eight hundred ninety-seven billion, six hundred fifty-seven million, nine hundred twenty-three thousand, six hundred ninety-two".