2791778950 has 24 divisors (see below), whose sum is σ = 5243133168. Its totient is φ = 1105867680.

The previous prime is 2791778923. The next prime is 2791778963. The reversal of 2791778950 is 598771972.

It is a junction number, because it is equal to n+sod(n) for n = 2791778891 and 2791778900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265897 + ... + 276196.

It is an arithmetic number, because the mean of its divisors is an integer number (218463882).

Almost surely, 2^2791778950 is an apocalyptic number.

2791778950 is a deficient number, since it is larger than the sum of its proper divisors (2451354218).

2791778950 is a wasteful number, since it uses less digits than its factorization.

2791778950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542208 (or 542203 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 55.

The square root of 2791778950 is about 52837.2874966155. The cubic root of 2791778950 is about 1408.0789609401.

The spelling of 2791778950 in words is "two billion, seven hundred ninety-one million, seven hundred seventy-eight thousand, nine hundred fifty".