27713225385 has 96 divisors (see below), whose sum is σ = 50910612480. Its totient is φ = 14457201408.

The previous prime is 27713225383. The next prime is 27713225399. The reversal of 27713225385 is 58352231772.

27713225385 is a `hidden beast` number, since 27 + 71 + 3 + 22 + 538 + 5 = 666.

It is not a de Polignac number, because 27713225385 - 2¹ = 27713225383 is a prime.

It is a super-2 number, since 2×27713225385² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27713225385.

It is not an unprimeable number, because it can be changed into a prime (27713225381) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39087411 + ... + 39088119.

It is an arithmetic number, because the mean of its divisors is an integer number (530318880).

Almost surely, 2^27713225385 is an apocalyptic number.

It is an amenable number.

27713225385 is a deficient number, since it is larger than the sum of its proper divisors (23197387095).

27713225385 is an equidigital number, since it uses as much as digits as its factorization.

27713225385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1377 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 27713225385 in words is "twenty-seven billion, seven hundred thirteen million, two hundred twenty-five thousand, three hundred eighty-five".