78824586265283 has 4 divisors (see below), whose sum is σ = 78832397650488. Its totient is φ = 78816774880080.

The previous prime is 78824586265207. The next prime is 78824586265289. The reversal of 78824586265283 is 38256268542887.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78824586265283 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 78824586265283.

It is not an unprimeable number, because it can be changed into a prime (78824586265289) 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, 3905677466 + ... + 3905697647.

It is an arithmetic number, because the mean of its divisors is an integer number (19708099412622).

Almost surely, 2^{78824586265283} is an apocalyptic number.

78824586265283 is a deficient number, since it is larger than the sum of its proper divisors (7811385205).

78824586265283 is a wasteful number, since it uses less digits than its factorization.

78824586265283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811385204.

The product of its digits is 2477260800, while the sum is 74.

The spelling of 78824586265283 in words is "seventy-eight trillion, eight hundred twenty-four billion, five hundred eighty-six million, two hundred sixty-five thousand, two hundred eighty-three".