845487863 has 12 divisors (see below), whose sum is σ = 930069000. Its totient is φ = 768020880.

The previous prime is 845487857. The next prime is 845487913. The reversal of 845487863 is 368784548.

It is not a de Polignac number, because 845487863 - 2⁴ = 845487847 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845487833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239888 + ... + 243386.

It is an arithmetic number, because the mean of its divisors is an integer number (77505750).

Almost surely, 2^845487863 is an apocalyptic number.

845487863 is a deficient number, since it is larger than the sum of its proper divisors (84581137).

845487863 is a wasteful number, since it uses less digits than its factorization.

845487863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518 (or 5507 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 53.

The square root of 845487863 is about 29077.2739953387. The cubic root of 845487863 is about 945.5891040479.

The spelling of 845487863 in words is "eight hundred forty-five million, four hundred eighty-seven thousand, eight hundred sixty-three".