845286864 has 40 divisors (see below), whose sum is σ = 2220676320. Its totient is φ = 276985728.

The previous prime is 845286863. The next prime is 845286887. The reversal of 845286864 is 468682548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845286863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146407 + ... + 152070.

It is an arithmetic number, because the mean of its divisors is an integer number (55516908).

Almost surely, 2^845286864 is an apocalyptic number.

It is an amenable number.

845286864 is an abundant number, since it is smaller than the sum of its proper divisors (1375389456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845286864 is a wasteful number, since it uses less digits than its factorization.

845286864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298547 (or 298541 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 51.

The square root of 845286864 is about 29073.8174995992. The cubic root of 845286864 is about 945.5141660403.

The spelling of 845286864 in words is "eight hundred forty-five million, two hundred eighty-six thousand, eight hundred sixty-four".