813978675230 has 32 divisors (see below), whose sum is σ = 1674565790400. Its totient is φ = 279062507520.

The previous prime is 813978675227. The next prime is 813978675239. The reversal of 813978675230 is 32576879318.

It is a happy number.

813978675230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×813978675230² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 813978675230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813978675239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941300 + ... + 1585560.

It is an arithmetic number, because the mean of its divisors is an integer number (52330180950).

Almost surely, 2^813978675230 is an apocalyptic number.

813978675230 is an abundant number, since it is smaller than the sum of its proper divisors (860587115170).

813978675230 is a wasteful number, since it uses less digits than its factorization.

813978675230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662324.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 813978675230 in words is "eight hundred thirteen billion, nine hundred seventy-eight million, six hundred seventy-five thousand, two hundred thirty".