27426946836 has 24 divisors (see below), whose sum is σ = 64064244384. Its totient is φ = 9132596320.

The previous prime is 27426946793. The next prime is 27426946837. The reversal of 27426946836 is 63864962472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27426946837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203150 + ... + 1225733.

It is an arithmetic number, because the mean of its divisors is an integer number (2669343516).

Almost surely, 2^27426946836 is an apocalyptic number.

It is an amenable number.

27426946836 is an abundant number, since it is smaller than the sum of its proper divisors (36637297548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27426946836 is a wasteful number, since it uses less digits than its factorization.

27426946836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429831 (or 2429829 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 57.

The spelling of 27426946836 in words is "twenty-seven billion, four hundred twenty-six million, nine hundred forty-six thousand, eight hundred thirty-six".