2772847028 has 24 divisors (see below), whose sum is σ = 5547662400. Its totient is φ = 1187941248.

The previous prime is 2772847027. The next prime is 2772847039. The reversal of 2772847028 is 8207482772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772847027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70463 + ... + 102521.

It is an arithmetic number, because the mean of its divisors is an integer number (231152600).

Almost surely, 2^2772847028 is an apocalyptic number.

2772847028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2772847028 is an abundant number, since it is smaller than the sum of its proper divisors (2774815372).

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

2772847028 is a wasteful number, since it uses less digits than its factorization.

2772847028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35159 (or 35157 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 47.

The square root of 2772847028 is about 52657.8296932185. The cubic root of 2772847028 is about 1404.8888651262. Note that the first 4 decimals are identical.

The spelling of 2772847028 in words is "two billion, seven hundred seventy-two million, eight hundred forty-seven thousand, twenty-eight".