2797312776 has 128 divisors (see below), whose sum is σ = 7460597760. Its totient is φ = 872467200.

The previous prime is 2797312759. The next prime is 2797312783. The reversal of 2797312776 is 6772137972.

It is a happy number.

2797312776 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 31 ways as a sum of consecutive naturals, for example, 8450931 + ... + 8451261.

It is an arithmetic number, because the mean of its divisors is an integer number (58285920).

Almost surely, 2^2797312776 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 2797312776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3730298880).

2797312776 is an abundant number, since it is smaller than the sum of its proper divisors (4663284984).

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

2797312776 is a wasteful number, since it uses less digits than its factorization.

2797312776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 711 counting only the distinct ones).

The product of its digits is 1555848, while the sum is 51.

The square root of 2797312776 is about 52889.6282459992. The cubic root of 2797312776 is about 1409.0087051790.

The spelling of 2797312776 in words is "two billion, seven hundred ninety-seven million, three hundred twelve thousand, seven hundred seventy-six".