78789226995 has 24 divisors (see below), whose sum is σ = 142505734176. Its totient is φ = 40193923968.

The previous prime is 78789226981. The next prime is 78789227009. The reversal of 78789226995 is 59962298787.

It is an interprime number because it is at equal distance from previous prime (78789226981) and next prime (78789227009).

It is not a de Polignac number, because 78789226995 - 2⁵ = 78789226963 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38061394 + ... + 38063463.

It is an arithmetic number, because the mean of its divisors is an integer number (5937738924).

Almost surely, 2^78789226995 is an apocalyptic number.

78789226995 is a deficient number, since it is larger than the sum of its proper divisors (63716507181).

78789226995 is a wasteful number, since it uses less digits than its factorization.

78789226995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76124891 (or 76124888 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The spelling of 78789226995 in words is "seventy-eight billion, seven hundred eighty-nine million, two hundred twenty-six thousand, nine hundred ninety-five".