78516004520713 has 8 divisors (see below), whose sum is σ = 79420030871040. Its totient is φ = 77616774066720.

The previous prime is 78516004520573. The next prime is 78516004520717. The reversal of 78516004520713 is 31702540061587.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78516004520713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78516004520717) 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, 1198941153 + ... + 1199006638.

It is an arithmetic number, because the mean of its divisors is an integer number (9927503858880).

Almost surely, 2^{78516004520713} is an apocalyptic number.

It is an amenable number.

78516004520713 is a deficient number, since it is larger than the sum of its proper divisors (904026350327).

78516004520713 is a wasteful number, since it uses less digits than its factorization.

78516004520713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397948167.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 78516004520713 in words is "seventy-eight trillion, five hundred sixteen billion, four million, five hundred twenty thousand, seven hundred thirteen".