846864663 has 8 divisors (see below), whose sum is σ = 1129330800. Its totient is φ = 564487488.

The previous prime is 846864643. The next prime is 846864691. The reversal of 846864663 is 366468648.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 846864663 - 2¹⁴ = 846848279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846864643) 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, 4603 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (141166350).

Almost surely, 2^846864663 is an apocalyptic number.

846864663 is a deficient number, since it is larger than the sum of its proper divisors (282466137).

846864663 is a wasteful number, since it uses less digits than its factorization.

846864663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44481.

The product of its digits is 3981312, while the sum is 51.

The square root of 846864663 is about 29100.9392116474. The cubic root of 846864663 is about 946.1020942814.

The spelling of 846864663 in words is "eight hundred forty-six million, eight hundred sixty-four thousand, six hundred sixty-three".