845900793 has 8 divisors (see below), whose sum is σ = 1253186400. Its totient is φ = 563933844.

The previous prime is 845900789. The next prime is 845900821. The reversal of 845900793 is 397009548.

It is not a de Polignac number, because 845900793 - 2² = 845900789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (845900743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15664803 + ... + 15664856.

It is an arithmetic number, because the mean of its divisors is an integer number (156648300).

Almost surely, 2^845900793 is an apocalyptic number.

It is an amenable number.

845900793 is a deficient number, since it is larger than the sum of its proper divisors (407285607).

845900793 is a wasteful number, since it uses less digits than its factorization.

845900793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31329668 (or 31329662 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 845900793 is about 29084.3736910390. The cubic root of 845900793 is about 945.7430185615.

The spelling of 845900793 in words is "eight hundred forty-five million, nine hundred thousand, seven hundred ninety-three".