28768732952 has 16 divisors (see below), whose sum is σ = 53944291440. Its totient is φ = 14383588576.

The previous prime is 28768732939. The next prime is 28768732991. The reversal of 28768732952 is 25923786782.

It is a super-3 number, since 3×28768732952³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28768732891 and 28768732900.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 78653 + ... + 252435.

It is an arithmetic number, because the mean of its divisors is an integer number (3371518215).

Almost surely, 2^28768732952 is an apocalyptic number.

It is an amenable number.

28768732952 is a deficient number, since it is larger than the sum of its proper divisors (25175558488).

28768732952 is a wasteful number, since it uses less digits than its factorization.

28768732952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194482 (or 194478 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The spelling of 28768732952 in words is "twenty-eight billion, seven hundred sixty-eight million, seven hundred thirty-two thousand, nine hundred fifty-two".