2786991360 has 144 divisors (see below), whose sum is σ = 8962531200. Its totient is φ = 738058240.

The previous prime is 2786991353. The next prime is 2786991401. The reversal of 2786991360 is 631996872.

It is a congruent number.

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, 569725 + ... + 574595.

It is an arithmetic number, because the mean of its divisors is an integer number (62239800).

Almost surely, 2^2786991360 is an apocalyptic number.

2786991360 is a gapful number since it is divisible by the number (20) 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 2786991360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481265600).

2786991360 is an abundant number, since it is smaller than the sum of its proper divisors (6175539840).

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

2786991360 is a wasteful number, since it uses less digits than its factorization.

2786991360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044 (or 5030 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 2786991360 is about 52791.9630246878. The cubic root of 2786991360 is about 1407.2736008599.

The spelling of 2786991360 in words is "two billion, seven hundred eighty-six million, nine hundred ninety-one thousand, three hundred sixty".