27726703873 has 32 divisors (see below), whose sum is σ = 31733078400. Its totient is φ = 24194927680.

The previous prime is 27726703861. The next prime is 27726703891. The reversal of 27726703873 is 37830762772.

It is not a de Polignac number, because 27726703873 - 2⁵ = 27726703841 is a prime.

It is a super-2 number, since 2×27726703873² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27726703873.

It is not an unprimeable number, because it can be changed into a prime (27726700873) 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 31 ways as a sum of consecutive naturals, for example, 6907215 + ... + 6911227.

It is an arithmetic number, because the mean of its divisors is an integer number (991658700).

Almost surely, 2^27726703873 is an apocalyptic number.

It is an amenable number.

27726703873 is a deficient number, since it is larger than the sum of its proper divisors (4006374527).

27726703873 is a wasteful number, since it uses less digits than its factorization.

27726703873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254 (or 4232 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 52.

The spelling of 27726703873 in words is "twenty-seven billion, seven hundred twenty-six million, seven hundred three thousand, eight hundred seventy-three".