2897707008 has 128 divisors (see below), whose sum is σ = 8833069440. Its totient is φ = 827719680.

The previous prime is 2897706991. The next prime is 2897707019. The reversal of 2897707008 is 8007077982.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686023 + ... + 690233.

It is an arithmetic number, because the mean of its divisors is an integer number (69008355).

Almost surely, 2^2897707008 is an apocalyptic number.

2897707008 is a gapful number since it is divisible by the number (28) 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 2897707008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4416534720).

2897707008 is an abundant number, since it is smaller than the sum of its proper divisors (5935362432).

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

2897707008 is an frugal number, since it uses more digits than its factorization.

2897707008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251 (or 4223 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 48.

The square root of 2897707008 is about 53830.3539650261. The cubic root of 2897707008 is about 1425.6671968285.

The spelling of 2897707008 in words is "two billion, eight hundred ninety-seven million, seven hundred seven thousand, eight".