2897850816 has 392 divisors, whose sum is σ = 10394167680. Its totient is φ = 782701056.

The previous prime is 2897850793. The next prime is 2897850817. The reversal of 2897850816 is 6180587982.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897850817) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 6205015 + ... + 6205481.

Almost surely, 2^2897850816 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 2897850816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5197083840).

2897850816 is an abundant number, since it is smaller than the sum of its proper divisors (7496316864).

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

2897850816 is an equidigital number, since it uses as much as digits as its factorization.

2897850816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The square root of 2897850816 is about 53831.6897003986. The cubic root of 2897850816 is about 1425.6907808735.

The spelling of 2897850816 in words is "two billion, eight hundred ninety-seven million, eight hundred fifty thousand, eight hundred sixteen".