2787791496 has 160 divisors (see below), whose sum is σ = 8228217600. Its totient is φ = 786979200.

The previous prime is 2787791459. The next prime is 2787791509. The reversal of 2787791496 is 6941977872.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5819785 + ... + 5820263.

It is an arithmetic number, because the mean of its divisors is an integer number (51426360).

Almost surely, 2^2787791496 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 2787791496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4114108800).

2787791496 is an abundant number, since it is smaller than the sum of its proper divisors (5440426104).

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

2787791496 is a wasteful number, since it uses less digits than its factorization.

2787791496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 592 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 60.

The square root of 2787791496 is about 52799.5406798203. The cubic root of 2787791496 is about 1407.4082625056.

The spelling of 2787791496 in words is "two billion, seven hundred eighty-seven million, seven hundred ninety-one thousand, four hundred ninety-six".