27421886743 has 16 divisors (see below), whose sum is σ = 29375676000. Its totient is φ = 25522877952.

The previous prime is 27421886741. The next prime is 27421886759. The reversal of 27421886743 is 34768812472.

It is a cyclic number.

It is not a de Polignac number, because 27421886743 - 2¹ = 27421886741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27421886741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213843 + ... + 317131.

It is an arithmetic number, because the mean of its divisors is an integer number (1835979750).

Almost surely, 2^27421886743 is an apocalyptic number.

27421886743 is a deficient number, since it is larger than the sum of its proper divisors (1953789257).

27421886743 is a wasteful number, since it uses less digits than its factorization.

27421886743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103554.

The product of its digits is 3612672, while the sum is 52.

The spelling of 27421886743 in words is "twenty-seven billion, four hundred twenty-one million, eight hundred eighty-six thousand, seven hundred forty-three".