2771213836 has 12 divisors (see below), whose sum is σ = 4850083000. Its totient is φ = 1385475840.

The previous prime is 2771213831. The next prime is 2771213839. The reversal of 2771213836 is 6383121772.

It is a happy number.

It is a super-2 number, since 2×2771213836² = 15359252249675669792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2771213831) 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, 26851 + ... + 79141.

Almost surely, 2^2771213836 is an apocalyptic number.

It is an amenable number.

2771213836 is a deficient number, since it is larger than the sum of its proper divisors (2078869164).

2771213836 is a wasteful number, since it uses less digits than its factorization.

2771213836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65544 (or 65542 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 2771213836 is about 52642.3198197040. The cubic root of 2771213836 is about 1404.6129869580.

The spelling of 2771213836 in words is "two billion, seven hundred seventy-one million, two hundred thirteen thousand, eight hundred thirty-six".