78424716227 has 8 divisors (see below), whose sum is σ = 92135331120. Its totient is φ = 65810950560.

The previous prime is 78424716203. The next prime is 78424716229. The reversal of 78424716227 is 72261742487.

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 78424716227 - 2²⁴ = 78407939011 is a prime.

It is a super-2 number, since 2×78424716227² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78424716229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274212152 + ... + 274212437.

It is an arithmetic number, because the mean of its divisors is an integer number (11516916390).

Almost surely, 2^78424716227 is an apocalyptic number.

78424716227 is a deficient number, since it is larger than the sum of its proper divisors (13710614893).

78424716227 is a wasteful number, since it uses less digits than its factorization.

78424716227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548424613.

The product of its digits is 2107392, while the sum is 50.

The spelling of 78424716227 in words is "seventy-eight billion, four hundred twenty-four million, seven hundred sixteen thousand, two hundred twenty-seven".