28160494479 has 64 divisors (see below), whose sum is σ = 46249082880. Its totient is φ = 16826019840.

The previous prime is 28160494469. The next prime is 28160494501. The reversal of 28160494479 is 97449406182.

28160494479 is a `hidden beast` number, since 2 + 8 + 160 + 4 + 9 + 4 + 479 = 666.

It is not a de Polignac number, because 28160494479 - 2¹¹ = 28160492431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28160494459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2088399 + ... + 2101839.

It is an arithmetic number, because the mean of its divisors is an integer number (722641920).

Almost surely, 2^28160494479 is an apocalyptic number.

28160494479 is a deficient number, since it is larger than the sum of its proper divisors (18088588401).

28160494479 is a wasteful number, since it uses less digits than its factorization.

28160494479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13637 (or 13631 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 28160494479 in words is "twenty-eight billion, one hundred sixty million, four hundred ninety-four thousand, four hundred seventy-nine".