84068363793915 has 24 divisors (see below), whose sum is σ = 147355783735680. Its totient is φ = 44332680230784.

The previous prime is 84068363793913. The next prime is 84068363793991. The reversal of 84068363793915 is 51939736386048.

84068363793915 is a `hidden beast` number, since 8 + 406 + 8 + 3 + 63 + 79 + 3 + 91 + 5 = 666.

It is not a de Polignac number, because 84068363793915 - 2¹ = 84068363793913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84068363793913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10495422187 + ... + 10495430196.

It is an arithmetic number, because the mean of its divisors is an integer number (6139824322320).

Almost surely, 2^{84068363793915} is an apocalyptic number.

84068363793915 is a deficient number, since it is larger than the sum of its proper divisors (63287419941765).

84068363793915 is a wasteful number, since it uses less digits than its factorization.

84068363793915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20990852483 (or 20990852480 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 72.

The spelling of 84068363793915 in words is "eighty-four trillion, sixty-eight billion, three hundred sixty-three million, seven hundred ninety-three thousand, nine hundred fifteen".