845263427 has 4 divisors (see below), whose sum is σ = 864920760. Its totient is φ = 825606096.

The previous prime is 845263417. The next prime is 845263459. The reversal of 845263427 is 724362548.

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 845263427 - 2⁴ = 845263411 is a prime.

It is a super-2 number, since 2×845263427² = 1428940522047568658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845263417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9828602 + ... + 9828687.

It is an arithmetic number, because the mean of its divisors is an integer number (216230190).

Almost surely, 2^845263427 is an apocalyptic number.

845263427 is a deficient number, since it is larger than the sum of its proper divisors (19657333).

845263427 is a wasteful number, since it uses less digits than its factorization.

845263427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19657332.

The product of its digits is 322560, while the sum is 41.

The square root of 845263427 is about 29073.4144365604. The cubic root of 845263427 is about 945.5054273027.

The spelling of 845263427 in words is "eight hundred forty-five million, two hundred sixty-three thousand, four hundred twenty-seven".