78564226115 has 8 divisors (see below), whose sum is σ = 94350906000. Its totient is φ = 62802157792.

The previous prime is 78564226093. The next prime is 78564226123. The reversal of 78564226115 is 51162246587.

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 78564226115 - 2⁶ = 78564226051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78564226115.

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 7 ways as a sum of consecutive naturals, for example, 6145865 + ... + 6158634.

It is an arithmetic number, because the mean of its divisors is an integer number (11793863250).

Almost surely, 2^78564226115 is an apocalyptic number.

78564226115 is a deficient number, since it is larger than the sum of its proper divisors (15786679885).

78564226115 is a wasteful number, since it uses less digits than its factorization.

78564226115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12305781.

The product of its digits is 806400, while the sum is 47.

The spelling of 78564226115 in words is "seventy-eight billion, five hundred sixty-four million, two hundred twenty-six thousand, one hundred fifteen".