2897577738 has 64 divisors (see below), whose sum is σ = 7089033600. Its totient is φ = 869978880.

The previous prime is 2897577703. The next prime is 2897577751. The reversal of 2897577738 is 8377757982.

2897577738 is a `hidden beast` number, since 28 + 9 + 7 + 577 + 7 + 38 = 666.

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, 42370 + ... + 87122.

It is an arithmetic number, because the mean of its divisors is an integer number (110766150).

Almost surely, 2^2897577738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897577738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544516800).

2897577738 is an abundant number, since it is smaller than the sum of its proper divisors (4191455862).

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

2897577738 is a wasteful number, since it uses less digits than its factorization.

2897577738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44884 (or 44878 counting only the distinct ones).

The product of its digits is 41489280, while the sum is 63.

The square root of 2897577738 is about 53829.1532350268. The cubic root of 2897577738 is about 1425.6459963024.

The spelling of 2897577738 in words is "two billion, eight hundred ninety-seven million, five hundred seventy-seven thousand, seven hundred thirty-eight".