2772855725 has 24 divisors (see below), whose sum is σ = 3668931840. Its totient is φ = 2072718720.

The previous prime is 2772855719. The next prime is 2772855779. The reversal of 2772855725 is 5275582772.

It is not a de Polignac number, because 2772855725 - 2¹² = 2772851629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5309 + ... + 74658.

It is an arithmetic number, because the mean of its divisors is an integer number (152872160).

Almost surely, 2^2772855725 is an apocalyptic number.

2772855725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2772855725 is a deficient number, since it is larger than the sum of its proper divisors (896076115).

2772855725 is a wasteful number, since it uses less digits than its factorization.

2772855725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80069 (or 80064 counting only the distinct ones).

The product of its digits is 2744000, while the sum is 50.

The square root of 2772855725 is about 52657.9122734656. The cubic root of 2772855725 is about 1404.8903339301.

The spelling of 2772855725 in words is "two billion, seven hundred seventy-two million, eight hundred fifty-five thousand, seven hundred twenty-five".