28806292312 has 64 divisors (see below), whose sum is σ = 65866867200. Its totient is φ = 11535540480.

The previous prime is 28806292309. The next prime is 28806292313. The reversal of 28806292312 is 21329260882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28806292313) 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 in 15 ways as a sum of consecutive naturals, for example, 107764 + ... + 263107.

It is an arithmetic number, because the mean of its divisors is an integer number (1029169800).

Almost surely, 2^28806292312 is an apocalyptic number.

It is an amenable number.

28806292312 is an abundant number, since it is smaller than the sum of its proper divisors (37060574888).

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

28806292312 is a wasteful number, since it uses less digits than its factorization.

28806292312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370976 (or 370972 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 28806292312 in words is "twenty-eight billion, eight hundred six million, two hundred ninety-two thousand, three hundred twelve".