2797781152 has 24 divisors (see below), whose sum is σ = 5544618912. Its totient is φ = 1389624000.

The previous prime is 2797781123. The next prime is 2797781167. The reversal of 2797781152 is 2511877972.

It is a junction number, because it is equal to n+sod(n) for n = 2797781096 and 2797781105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284674 + ... + 294337.

It is an arithmetic number, because the mean of its divisors is an integer number (231025788).

Almost surely, 2^2797781152 is an apocalyptic number.

It is an amenable number.

2797781152 is a deficient number, since it is larger than the sum of its proper divisors (2746837760).

2797781152 is a wasteful number, since it uses less digits than its factorization.

2797781152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579172 (or 579164 counting only the distinct ones).

The product of its digits is 493920, while the sum is 49.

The square root of 2797781152 is about 52894.0559231375. The cubic root of 2797781152 is about 1409.0873412469.

The spelling of 2797781152 in words is "two billion, seven hundred ninety-seven million, seven hundred eighty-one thousand, one hundred fifty-two".