8291842427 has 4 divisors (see below), whose sum is σ = 9045646296. Its totient is φ = 7538038560.

The previous prime is 8291842409. The next prime is 8291842457. The reversal of 8291842427 is 7242481928.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8291842427 - 2¹⁶ = 8291776891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8291842457) 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 3 ways as a sum of consecutive naturals, for example, 376901918 + ... + 376901939.

It is an arithmetic number, because the mean of its divisors is an integer number (2261411574).

Almost surely, 2^8291842427 is an apocalyptic number.

8291842427 is a deficient number, since it is larger than the sum of its proper divisors (753803869).

8291842427 is a wasteful number, since it uses less digits than its factorization.

8291842427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753803868.

The product of its digits is 516096, while the sum is 47.

The square root of 8291842427 is about 91059.5542872905. The cubic root of 8291842427 is about 2024.0303177921.

The spelling of 8291842427 in words is "eight billion, two hundred ninety-one million, eight hundred forty-two thousand, four hundred twenty-seven".