9842827819 has 8 divisors (see below), whose sum is σ = 10858278960. Its totient is φ = 8847484800.

The previous prime is 9842827781. The next prime is 9842827831. The reversal of 9842827819 is 9187282489.

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

It is not a de Polignac number, because 9842827819 - 2¹³ = 9842819627 is a prime.

It is a super-2 number, since 2×9842827819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9842827879) 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, 5026002 + ... + 5027959.

It is an arithmetic number, because the mean of its divisors is an integer number (1357284870).

Almost surely, 2^9842827819 is an apocalyptic number.

9842827819 is a deficient number, since it is larger than the sum of its proper divisors (1015451141).

9842827819 is a wasteful number, since it uses less digits than its factorization.

9842827819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10054061.

The product of its digits is 4644864, while the sum is 58.

The square root of 9842827819 is about 99211.0267006647. The cubic root of 9842827819 is about 2143.0877935677.

The spelling of 9842827819 in words is "nine billion, eight hundred forty-two million, eight hundred twenty-seven thousand, eight hundred nineteen".