2987661824 has 160 divisors (see below), whose sum is σ = 7070976000. Its totient is φ = 1234759680.

The previous prime is 2987661791. The next prime is 2987661863. The reversal of 2987661824 is 4281667892.

It is a super-2 number, since 2×2987661824² = 17852246349174013952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15013277 + ... + 15013475.

It is an arithmetic number, because the mean of its divisors is an integer number (44193600).

Almost surely, 2^2987661824 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 2987661824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3535488000).

2987661824 is an abundant number, since it is smaller than the sum of its proper divisors (4083314176).

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

2987661824 is an equidigital number, since it uses as much as digits as its factorization.

2987661824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 338 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 2987661824 is about 54659.5080841385. The cubic root of 2987661824 is about 1440.2696614329.

The spelling of 2987661824 in words is "two billion, nine hundred eighty-seven million, six hundred sixty-one thousand, eight hundred twenty-four".