2791880624 has 80 divisors (see below), whose sum is σ = 6217602048. Its totient is φ = 1203019776.

The previous prime is 2791880617. The next prime is 2791880633. The reversal of 2791880624 is 4260881972.

It is a happy number.

2791880624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 445964 + ... + 452180.

Almost surely, 2^2791880624 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 2791880624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3108801024).

2791880624 is an abundant number, since it is smaller than the sum of its proper divisors (3425721424).

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

2791880624 is a wasteful number, since it uses less digits than its factorization.

2791880624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 2791880624 is about 52838.2496303577. The cubic root of 2791880624 is about 1408.0960543759.

The spelling of 2791880624 in words is "two billion, seven hundred ninety-one million, eight hundred eighty thousand, six hundred twenty-four".