2772505528 has 32 divisors (see below), whose sum is σ = 5619196800. Its totient is φ = 1274848128.

The previous prime is 2772505499. The next prime is 2772505529. The reversal of 2772505528 is 8255052772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772505529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21576 + ... + 77527.

It is an arithmetic number, because the mean of its divisors is an integer number (175599900).

Almost surely, 2^2772505528 is an apocalyptic number.

It is an amenable number.

2772505528 is an abundant number, since it is smaller than the sum of its proper divisors (2846691272).

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

2772505528 is a wasteful number, since it uses less digits than its factorization.

2772505528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99391 (or 99387 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 43.

The square root of 2772505528 is about 52654.5869606818. The cubic root of 2772505528 is about 1404.8311880359.

The spelling of 2772505528 in words is "two billion, seven hundred seventy-two million, five hundred five thousand, five hundred twenty-eight".