28086389176 has 16 divisors (see below), whose sum is σ = 52743889800. Its totient is φ = 14021351904.

The previous prime is 28086389153. The next prime is 28086389179. The reversal of 28086389176 is 67198368082.

It is a self number, because there is not a number n which added to its sum of digits gives 28086389176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28086389179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724871 + ... + 2735158.

Almost surely, 2^28086389176 is an apocalyptic number.

It is an amenable number.

28086389176 is a deficient number, since it is larger than the sum of its proper divisors (24657500624).

28086389176 is a wasteful number, since it uses less digits than its factorization.

28086389176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460678 (or 5460674 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 28086389176 in words is "twenty-eight billion, eighty-six million, three hundred eighty-nine thousand, one hundred seventy-six".