2987447892 has 144 divisors (see below), whose sum is σ = 8338423296. Its totient is φ = 826848000.

The previous prime is 2987447891. The next prime is 2987447917.

2987447892 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987447891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1905693 + ... + 1907259.

Almost surely, 2^2987447892 is an apocalyptic number.

2987447892 is a gapful number since it is divisible by the number (22) 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 2987447892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4169211648).

2987447892 is an abundant number, since it is smaller than the sum of its proper divisors (5350975404).

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

2987447892 is a wasteful number, since it uses less digits than its factorization.

2987447892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1697 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The square root of 2987447892 is about 54657.5510977212. The cubic root of 2987447892 is about 1440.2352836996.

The spelling of 2987447892 in words is "two billion, nine hundred eighty-seven million, four hundred forty-seven thousand, eight hundred ninety-two".