27875887499 has 4 divisors (see below), whose sum is σ = 28017389664. Its totient is φ = 27734385336.

The previous prime is 27875887433. The next prime is 27875887519. The reversal of 27875887499 is 99478857872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27875887499 - 2²⁸ = 27607452043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27875887199) by changing a digit.

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, 70750787 + ... + 70751180.

It is an arithmetic number, because the mean of its divisors is an integer number (7004347416).

Almost surely, 2^27875887499 is an apocalyptic number.

27875887499 is a deficient number, since it is larger than the sum of its proper divisors (141502165).

27875887499 is a wasteful number, since it uses less digits than its factorization.

27875887499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141502164.

The product of its digits is 568995840, while the sum is 74.

The spelling of 27875887499 in words is "twenty-seven billion, eight hundred seventy-five million, eight hundred eighty-seven thousand, four hundred ninety-nine".