2897779632 has 240 divisors, whose sum is σ = 8655529344. Its totient is φ = 833817600.

The previous prime is 2897779613. The next prime is 2897779657. The reversal of 2897779632 is 2369777982.

2897779632 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 47 ways as a sum of consecutive naturals, for example, 10239363 + ... + 10239645.

Almost surely, 2^2897779632 is an apocalyptic number.

2897779632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897779632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4327764672).

2897779632 is an abundant number, since it is smaller than the sum of its proper divisors (5757749712).

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

2897779632 is a wasteful number, since it uses less digits than its factorization.

2897779632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 383 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 60.

The square root of 2897779632 is about 53831.0285244486. The cubic root of 2897779632 is about 1425.6791070262.

The spelling of 2897779632 in words is "two billion, eight hundred ninety-seven million, seven hundred seventy-nine thousand, six hundred thirty-two".