78785732822313 has 8 divisors (see below), whose sum is σ = 114597429559776. Its totient is φ = 47748928983200.

The previous prime is 78785732822311. The next prime is 78785732822341. The reversal of 78785732822313 is 31322823758787.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 78785732822313 - 2¹ = 78785732822311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78785732822311) 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, 1193723224548 + ... + 1193723224613.

It is an arithmetic number, because the mean of its divisors is an integer number (14324678694972).

Almost surely, 2^{78785732822313} is an apocalyptic number.

It is an amenable number.

78785732822313 is a deficient number, since it is larger than the sum of its proper divisors (35811696737463).

78785732822313 is a wasteful number, since it uses less digits than its factorization.

78785732822313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387446449175.

The product of its digits is 189665280, while the sum is 66.

The spelling of 78785732822313 in words is "seventy-eight trillion, seven hundred eighty-five billion, seven hundred thirty-two million, eight hundred twenty-two thousand, three hundred thirteen".