27879045895 has 16 divisors (see below), whose sum is σ = 35398124640. Its totient is φ = 21019889664.

The previous prime is 27879045869. The next prime is 27879045941. The reversal of 27879045895 is 59854097872.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27879045895 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, 741934 + ... + 778603.

It is an arithmetic number, because the mean of its divisors is an integer number (2212382790).

Almost surely, 2^27879045895 is an apocalyptic number.

27879045895 is a deficient number, since it is larger than the sum of its proper divisors (7519078745).

27879045895 is a wasteful number, since it uses less digits than its factorization.

27879045895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520754.

The product of its (nonzero) digits is 50803200, while the sum is 64.

The spelling of 27879045895 in words is "twenty-seven billion, eight hundred seventy-nine million, forty-five thousand, eight hundred ninety-five".