865678458413 has 4 divisors (see below), whose sum is σ = 911240482560. Its totient is φ = 820116434268.

The previous prime is 865678458401. The next prime is 865678458431. The reversal of 865678458413 is 314854876568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 865678458413 - 2¹⁴ = 865678442029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 865678458413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865678458443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22781012045 + ... + 22781012082.

It is an arithmetic number, because the mean of its divisors is an integer number (227810120640).

Almost surely, 2^865678458413 is an apocalyptic number.

It is an amenable number.

865678458413 is a deficient number, since it is larger than the sum of its proper divisors (45562024147).

865678458413 is a wasteful number, since it uses less digits than its factorization.

865678458413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45562024146.

The product of its digits is 154828800, while the sum is 65.

The spelling of 865678458413 in words is "eight hundred sixty-five billion, six hundred seventy-eight million, four hundred fifty-eight thousand, four hundred thirteen".