28767116572 has 12 divisors (see below), whose sum is σ = 50378448400. Its totient is φ = 14373274176.

The previous prime is 28767116563. The next prime is 28767116591. The reversal of 28767116572 is 27561176782.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564733 + ... + 2575924.

Almost surely, 2^28767116572 is an apocalyptic number.

It is an amenable number.

28767116572 is a deficient number, since it is larger than the sum of its proper divisors (21611331828).

28767116572 is a wasteful number, since it uses less digits than its factorization.

28767116572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142060 (or 5142058 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 52.

The spelling of 28767116572 in words is "twenty-eight billion, seven hundred sixty-seven million, one hundred sixteen thousand, five hundred seventy-two".