813323627 has 4 divisors (see below), whose sum is σ = 814589160. Its totient is φ = 812058096.

The previous prime is 813323617. The next prime is 813323659. The reversal of 813323627 is 726323318.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 813323627 - 2¹⁶ = 813258091 is a prime.

It is a super-2 number, since 2×813323627² = 1322990644472870258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813323617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631802 + ... + 633087.

It is an arithmetic number, because the mean of its divisors is an integer number (203647290).

Almost surely, 2^813323627 is an apocalyptic number.

813323627 is a deficient number, since it is larger than the sum of its proper divisors (1265533).

813323627 is a wasteful number, since it uses less digits than its factorization.

813323627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265532.

The product of its digits is 36288, while the sum is 35.

The square root of 813323627 is about 28518.8293413317. The cubic root of 813323627 is about 933.4429849772.

The spelling of 813323627 in words is "eight hundred thirteen million, three hundred twenty-three thousand, six hundred twenty-seven".