28826447319 has 16 divisors (see below), whose sum is σ = 42961578240. Its totient is φ = 19102552920.

The previous prime is 28826447311. The next prime is 28826447347. The reversal of 28826447319 is 91374462882.

28826447319 is a `hidden beast` number, since 28 + 8 + 264 + 47 + 319 = 666.

It is not a de Polignac number, because 28826447319 - 2³ = 28826447311 is a prime.

It is a super-2 number, since 2×28826447319² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28826447311) 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, 3192037 + ... + 3201054.

It is an arithmetic number, because the mean of its divisors is an integer number (2685098640).

Almost surely, 2^28826447319 is an apocalyptic number.

28826447319 is a deficient number, since it is larger than the sum of its proper divisors (14135130921).

28826447319 is a wasteful number, since it uses less digits than its factorization.

28826447319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393267 (or 6393261 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 28826447319 in words is "twenty-eight billion, eight hundred twenty-six million, four hundred forty-seven thousand, three hundred nineteen".