845238967 has 4 divisors (see below), whose sum is σ = 845635896. Its totient is φ = 844842040.

The previous prime is 845238943. The next prime is 845238971. The reversal of 845238967 is 769832548.

845238967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 845238967 - 2¹⁹ = 844714679 is a prime.

It is a super-2 number, since 2×845238967² = 1428857822670454178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845238367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195253 + ... + 199534.

It is an arithmetic number, because the mean of its divisors is an integer number (211408974).

Almost surely, 2^845238967 is an apocalyptic number.

845238967 is a deficient number, since it is larger than the sum of its proper divisors (396929).

845238967 is a wasteful number, since it uses less digits than its factorization.

845238967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396928.

The product of its digits is 2903040, while the sum is 52.

The square root of 845238967 is about 29072.9937742916. The cubic root of 845238967 is about 945.4963069563.

The spelling of 845238967 in words is "eight hundred forty-five million, two hundred thirty-eight thousand, nine hundred sixty-seven".