27834347418 has 32 divisors (see below), whose sum is σ = 58962608640. Its totient is φ = 8729487360.

The previous prime is 27834347417. The next prime is 27834347543. The reversal of 27834347418 is 81474343872.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (27834347417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280183 + ... + 366293.

It is an arithmetic number, because the mean of its divisors is an integer number (1842581520).

Almost surely, 2^27834347418 is an apocalyptic number.

27834347418 is an abundant number, since it is smaller than the sum of its proper divisors (31128261222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27834347418 is a wasteful number, since it uses less digits than its factorization.

27834347418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89302.

The product of its digits is 3612672, while the sum is 51.

The spelling of 27834347418 in words is "twenty-seven billion, eight hundred thirty-four million, three hundred forty-seven thousand, four hundred eighteen".