28084012092 has 48 divisors (see below), whose sum is σ = 75976078080. Its totient is φ = 8954321904.

The previous prime is 28084012091. The next prime is 28084012097. The reversal of 28084012092 is 29021048082.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28084012091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5650498 + ... + 5655465.

It is an arithmetic number, because the mean of its divisors is an integer number (1582834960).

Almost surely, 2^28084012092 is an apocalyptic number.

It is an amenable number.

28084012092 is an abundant number, since it is smaller than the sum of its proper divisors (47892065988).

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

28084012092 is a wasteful number, since it uses less digits than its factorization.

28084012092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11305999 (or 11305991 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 28084012092 in words is "twenty-eight billion, eighty-four million, twelve thousand, ninety-two".