27057147122247 has 64 divisors (see below), whose sum is σ = 40095627264000. Its totient is φ = 16092633398400.

The previous prime is 27057147122237. The next prime is 27057147122263. The reversal of 27057147122247 is 74222174175072.

It is not a de Polignac number, because 27057147122247 - 2⁷ = 27057147122119 is a prime.

It is a super-2 number, since 2×27057147122247² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27057147122247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27057147122227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1077489222 + ... + 1077514332.

It is an arithmetic number, because the mean of its divisors is an integer number (626494176000).

Almost surely, 2^{27057147122247} is an apocalyptic number.

27057147122247 is a deficient number, since it is larger than the sum of its proper divisors (13038480141753).

27057147122247 is a wasteful number, since it uses less digits than its factorization.

27057147122247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27692.

The product of its (nonzero) digits is 3073280, while the sum is 51.

It can be divided in two parts, 2705714 and 7122247, that added together give a triangular number (9827961 = T₄₄₃₃).

The spelling of 27057147122247 in words is "twenty-seven trillion, fifty-seven billion, one hundred forty-seven million, one hundred twenty-two thousand, two hundred forty-seven".