2897178900 has 864 divisors, whose sum is σ = 11969233920. Its totient is φ = 532224000.

The previous prime is 2897178899. The next prime is 2897178917. The reversal of 2897178900 is 98717982.

2897178900 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 70662880 + ... + 70662920.

It is an arithmetic number, because the mean of its divisors is an integer number (13853280).

Almost surely, 2^2897178900 is an apocalyptic number.

2897178900 is a gapful number since it is divisible by the number (20) 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 2897178900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5984616960).

2897178900 is an abundant number, since it is smaller than the sum of its proper divisors (9072055020).

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

2897178900 is a wasteful number, since it uses less digits than its factorization.

2897178900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 51.

The square root of 2897178900 is about 53825.4484421635. The cubic root of 2897178900 is about 1425.5805821370.

The spelling of 2897178900 in words is "two billion, eight hundred ninety-seven million, one hundred seventy-eight thousand, nine hundred".