2897651080 has 16 divisors (see below), whose sum is σ = 6519715020. Its totient is φ = 1159060416.

The previous prime is 2897651063. The next prime is 2897651089. The reversal of 2897651080 is 801567982.

It can be written as a sum of positive squares in 2 ways, for example, as 2853055396 + 44595684 = 53414^2 + 6678^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2897651080.

It is not an unprimeable number, because it can be changed into a prime (2897651089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36220599 + ... + 36220678.

Almost surely, 2^2897651080 is an apocalyptic number.

2897651080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2897651080 is an abundant number, since it is smaller than the sum of its proper divisors (3622063940).

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

2897651080 is a wasteful number, since it uses less digits than its factorization.

2897651080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72441288 (or 72441284 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 2897651080 is about 53829.8344786606. The cubic root of 2897651080 is about 1425.6580246075.

The spelling of 2897651080 in words is "two billion, eight hundred ninety-seven million, six hundred fifty-one thousand, eighty".