27057374899 has 4 divisors (see below), whose sum is σ = 27071915920. Its totient is φ = 27042833880.

The previous prime is 27057374891. The next prime is 27057374909. The reversal of 27057374899 is 99847375072.

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 27057374899 - 2³ = 27057374891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27057374891) 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, 7267719 + ... + 7271440.

It is an arithmetic number, because the mean of its divisors is an integer number (6767978980).

Almost surely, 2^27057374899 is an apocalyptic number.

27057374899 is a deficient number, since it is larger than the sum of its proper divisors (14541021).

27057374899 is a wasteful number, since it uses less digits than its factorization.

27057374899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14541020.

The product of its (nonzero) digits is 26671680, while the sum is 61.

It can be divided in two parts, 27057 and 374899, that added together give a square (401956 = 634²).

The spelling of 27057374899 in words is "twenty-seven billion, fifty-seven million, three hundred seventy-four thousand, eight hundred ninety-nine".