28112632485 has 16 divisors (see below), whose sum is σ = 51405956736. Its totient is φ = 12851489088.

The previous prime is 28112632477. The next prime is 28112632517. The reversal of 28112632485 is 58423621182.

It is not a de Polignac number, because 28112632485 - 2³ = 28112632477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133869574 + ... + 133869783.

It is an arithmetic number, because the mean of its divisors is an integer number (3212872296).

Almost surely, 2^28112632485 is an apocalyptic number.

It is an amenable number.

28112632485 is a deficient number, since it is larger than the sum of its proper divisors (23293324251).

28112632485 is a wasteful number, since it uses less digits than its factorization.

28112632485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267739372.

The product of its digits is 184320, while the sum is 42.

The spelling of 28112632485 in words is "twenty-eight billion, one hundred twelve million, six hundred thirty-two thousand, four hundred eighty-five".