78712422911 has 8 divisors (see below), whose sum is σ = 82145060064. Its totient is φ = 75280648960.

The previous prime is 78712422863. The next prime is 78712422931. The reversal of 78712422911 is 11922421787.

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 78712422911 - 2¹⁴ = 78712406527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78712422931) 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, 25886 + ... + 397611.

It is an arithmetic number, because the mean of its divisors is an integer number (10268132508).

Almost surely, 2^78712422911 is an apocalyptic number.

78712422911 is a deficient number, since it is larger than the sum of its proper divisors (3432637153).

78712422911 is a wasteful number, since it uses less digits than its factorization.

78712422911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431601.

The product of its digits is 112896, while the sum is 44.

The spelling of 78712422911 in words is "seventy-eight billion, seven hundred twelve million, four hundred twenty-two thousand, nine hundred eleven".