2779786252 has 12 divisors (see below), whose sum is σ = 4865026936. Its totient is φ = 1389778560.

The previous prime is 2779786237. The next prime is 2779786253. The reversal of 2779786252 is 2526879772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2779786193 and 2779786202.

It is not an unprimeable number, because it can be changed into a prime (2779786253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49852 + ... + 89692.

Almost surely, 2^2779786252 is an apocalyptic number.

It is an amenable number.

2779786252 is a deficient number, since it is larger than the sum of its proper divisors (2085240684).

2779786252 is a wasteful number, since it uses less digits than its factorization.

2779786252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57288 (or 57286 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The square root of 2779786252 is about 52723.6782859466. The cubic root of 2779786252 is about 1406.0598297652.

The spelling of 2779786252 in words is "two billion, seven hundred seventy-nine million, seven hundred eighty-six thousand, two hundred fifty-two".