28774260552 has 32 divisors (see below), whose sum is σ = 72234154080. Its totient is φ = 9551619840.

The previous prime is 28774260521. The next prime is 28774260583. The reversal of 28774260552 is 25506247782.

It is an interprime number because it is at equal distance from previous prime (28774260521) and next prime (28774260583).

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 7 ways as a sum of consecutive naturals, for example, 2481618 + ... + 2493185.

It is an arithmetic number, because the mean of its divisors is an integer number (2257317315).

Almost surely, 2^28774260552 is an apocalyptic number.

It is an amenable number.

28774260552 is an abundant number, since it is smaller than the sum of its proper divisors (43459893528).

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

28774260552 is a wasteful number, since it uses less digits than its factorization.

28774260552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975053 (or 4975049 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 28774260552 in words is "twenty-eight billion, seven hundred seventy-four million, two hundred sixty thousand, five hundred fifty-two".