28169259246 has 32 divisors (see below), whose sum is σ = 65320024320. Its totient is φ = 8981502552.

The previous prime is 28169259187. The next prime is 28169259253. The reversal of 28169259246 is 64295296182.

28169259246 is a `hidden beast` number, since 2 + 8 + 1 + 6 + 9 + 2 + 592 + 46 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 28169259192 and 28169259201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11339040 + ... + 11341523.

It is an arithmetic number, because the mean of its divisors is an integer number (2041250760).

Almost surely, 2^28169259246 is an apocalyptic number.

28169259246 is an abundant number, since it is smaller than the sum of its proper divisors (37150765074).

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

28169259246 is a wasteful number, since it uses less digits than its factorization.

28169259246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22680597 (or 22680591 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 28169259246 in words is "twenty-eight billion, one hundred sixty-nine million, two hundred fifty-nine thousand, two hundred forty-six".