27123944825 has 12 divisors (see below), whose sum is σ = 34011601020. Its totient is φ = 21455343360.

The previous prime is 27123944821. The next prime is 27123944831. The reversal of 27123944825 is 52844932172.

It can be written as a sum of positive squares in 6 ways, for example, as 601868089 + 26522076736 = 24533^2 + 162856^2 .

It is not a de Polignac number, because 27123944825 - 2² = 27123944821 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27123944825.

It is not an unprimeable number, because it can be changed into a prime (27123944821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6093044 + ... + 6097493.

It is an arithmetic number, because the mean of its divisors is an integer number (2834300085).

Almost surely, 2^27123944825 is an apocalyptic number.

27123944825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27123944825 is a deficient number, since it is larger than the sum of its proper divisors (6887656195).

27123944825 is a wasteful number, since it uses less digits than its factorization.

27123944825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12190636 (or 12190631 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 27123944825 in words is "twenty-seven billion, one hundred twenty-three million, nine hundred forty-four thousand, eight hundred twenty-five".