28792118902 has 4 divisors (see below), whose sum is σ = 43188178356. Its totient is φ = 14396059450.

The previous prime is 28792118881. The next prime is 28792118903. The reversal of 28792118902 is 20981129782.

28792118902 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×28792118902² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28792118903) by changing a digit.

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 as a sum of consecutive naturals, namely, 7198029724 + ... + 7198029727.

It is an arithmetic number, because the mean of its divisors is an integer number (10797044589).

Almost surely, 2^28792118902 is an apocalyptic number.

28792118902 is a deficient number, since it is larger than the sum of its proper divisors (14396059454).

28792118902 is a wasteful number, since it uses less digits than its factorization.

28792118902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14396059453.

The product of its (nonzero) digits is 290304, while the sum is 49.

The spelling of 28792118902 in words is "twenty-eight billion, seven hundred ninety-two million, one hundred eighteen thousand, nine hundred two".