28232912583 has 8 divisors (see below), whose sum is σ = 41826537200. Its totient is φ = 18821941704.

The previous prime is 28232912579. The next prime is 28232912629. The reversal of 28232912583 is 38521923282.

28232912583 is a `hidden beast` number, since 28 + 2 + 32 + 9 + 12 + 583 = 666.

It is not a de Polignac number, because 28232912583 - 2² = 28232912579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28232912483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522831688 + ... + 522831741.

It is an arithmetic number, because the mean of its divisors is an integer number (5228317150).

Almost surely, 2^28232912583 is an apocalyptic number.

28232912583 is a deficient number, since it is larger than the sum of its proper divisors (13593624617).

28232912583 is a wasteful number, since it uses less digits than its factorization.

28232912583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045663438 (or 1045663432 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 28232912583 in words is "twenty-eight billion, two hundred thirty-two million, nine hundred twelve thousand, five hundred eighty-three".