28638092092 has 24 divisors (see below), whose sum is σ = 50529257856. Its totient is φ = 14201642928.

The previous prime is 28638092083. The next prime is 28638092099. The reversal of 28638092092 is 29029083682.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28638092099) 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, 178843 + ... + 298765.

It is an arithmetic number, because the mean of its divisors is an integer number (2105385744).

Almost surely, 2^28638092092 is an apocalyptic number.

It is an amenable number.

28638092092 is a deficient number, since it is larger than the sum of its proper divisors (21891165764).

28638092092 is a wasteful number, since it uses less digits than its factorization.

28638092092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120417 (or 120415 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 28638092092 in words is "twenty-eight billion, six hundred thirty-eight million, ninety-two thousand, ninety-two".