2781027956 has 12 divisors (see below), whose sum is σ = 5562055968. Its totient is φ = 1191869112.

The previous prime is 2781027941. The next prime is 2781027973. The reversal of 2781027956 is 6597201872.

It is a happy number.

2781027956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2781027956 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2781027956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49661186 + ... + 49661241.

It is an arithmetic number, because the mean of its divisors is an integer number (463504664).

Almost surely, 2^2781027956 is an apocalyptic number.

It is an amenable number.

2781027956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2781027956 is a wasteful number, since it uses less digits than its factorization.

2781027956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99322438 (or 99322436 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 2781027956 is about 52735.4525532871. The cubic root of 2781027956 is about 1406.2691564376.

The spelling of 2781027956 in words is "two billion, seven hundred eighty-one million, twenty-seven thousand, nine hundred fifty-six".