845883129 has 48 divisors (see below), whose sum is σ = 1430194752. Its totient is φ = 440721792.

The previous prime is 845883091. The next prime is 845883133. The reversal of 845883129 is 921388548.

It is not a de Polignac number, because 845883129 - 2⁷ = 845883001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (845883139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155947 + ... + 161279.

It is an arithmetic number, because the mean of its divisors is an integer number (29795724).

Almost surely, 2^845883129 is an apocalyptic number.

It is an amenable number.

845883129 is a deficient number, since it is larger than the sum of its proper divisors (584311623).

845883129 is a wasteful number, since it uses less digits than its factorization.

845883129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446 (or 5439 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 845883129 is about 29084.0700212333. The cubic root of 845883129 is about 945.7364355512.

The spelling of 845883129 in words is "eight hundred forty-five million, eight hundred eighty-three thousand, one hundred twenty-nine".