78749711214 has 8 divisors (see below), whose sum is σ = 157499422440. Its totient is φ = 26249903736.

The previous prime is 78749711197. The next prime is 78749711279. The reversal of 78749711214 is 41211794787.

It is a happy number.

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

78749711214 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6562475929 + ... + 6562475940.

It is an arithmetic number, because the mean of its divisors is an integer number (19687427805).

Almost surely, 2^78749711214 is an apocalyptic number.

78749711214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78749711214 is a wasteful number, since it uses less digits than its factorization.

78749711214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13124951874.

The product of its digits is 790272, while the sum is 51.

The spelling of 78749711214 in words is "seventy-eight billion, seven hundred forty-nine million, seven hundred eleven thousand, two hundred fourteen".