28245853596 has 12 divisors (see below), whose sum is σ = 65906991752. Its totient is φ = 9415284528.

The previous prime is 28245853523. The next prime is 28245853607. The reversal of 28245853596 is 69535854282.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×28245853596² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1176910555 + ... + 1176910578.

Almost surely, 2^28245853596 is an apocalyptic number.

It is an amenable number.

28245853596 is an abundant number, since it is smaller than the sum of its proper divisors (37661138156).

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

28245853596 is a wasteful number, since it uses less digits than its factorization.

28245853596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353821140 (or 2353821138 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 57.

The spelling of 28245853596 in words is "twenty-eight billion, two hundred forty-five million, eight hundred fifty-three thousand, five hundred ninety-six".