78561714714 has 64 divisors (see below), whose sum is σ = 180590592000. Its totient is φ = 22318737408.

The previous prime is 78561714713. The next prime is 78561714727. The reversal of 78561714714 is 41741716587.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78561714713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22723674 + ... + 22727130.

It is an arithmetic number, because the mean of its divisors is an integer number (2821728000).

Almost surely, 2^78561714714 is an apocalyptic number.

78561714714 is an abundant number, since it is smaller than the sum of its proper divisors (102028877286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78561714714 is a wasteful number, since it uses less digits than its factorization.

78561714714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387.

The product of its digits is 1317120, while the sum is 51.

The spelling of 78561714714 in words is "seventy-eight billion, five hundred sixty-one million, seven hundred fourteen thousand, seven hundred fourteen".