27947224936139 has 8 divisors (see below), whose sum is σ = 28955606945760. Its totient is φ = 26941821899776.

The previous prime is 27947224936109. The next prime is 27947224936151. The reversal of 27947224936139 is 93163942274972.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27947224936139 - 2²⁰ = 27947223887563 is a prime.

It is a super-2 number, since 2×27947224936139² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27947224936109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744724214 + ... + 744761739.

It is an arithmetic number, because the mean of its divisors is an integer number (3619450868220).

Almost surely, 2^{27947224936139} is an apocalyptic number.

27947224936139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

27947224936139 is a deficient number, since it is larger than the sum of its proper divisors (1008382009621).

27947224936139 is a wasteful number, since it uses less digits than its factorization.

27947224936139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489486629.

The product of its digits is 246903552, while the sum is 68.

The spelling of 27947224936139 in words is "twenty-seven trillion, nine hundred forty-seven billion, two hundred twenty-four million, nine hundred thirty-six thousand, one hundred thirty-nine".