28336873364 has 24 divisors (see below), whose sum is σ = 50554665000. Its totient is φ = 13892995584.

The previous prime is 28336873339. The next prime is 28336873399. The reversal of 28336873364 is 46337863382.

It can be written as a sum of positive squares in 4 ways, for example, as 1709160964 + 26627712400 = 41342^2 + 163180^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333512 + ... + 409760.

It is an arithmetic number, because the mean of its divisors is an integer number (2106444375).

Almost surely, 2^28336873364 is an apocalyptic number.

It is an amenable number.

28336873364 is a deficient number, since it is larger than the sum of its proper divisors (22217791636).

28336873364 is a wasteful number, since it uses less digits than its factorization.

28336873364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78059 (or 78057 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 53.

The spelling of 28336873364 in words is "twenty-eight billion, three hundred thirty-six million, eight hundred seventy-three thousand, three hundred sixty-four".