78572214365 has 16 divisors (see below), whose sum is σ = 94708224000. Its totient is φ = 62576879232.

The previous prime is 78572214361. The next prime is 78572214377. The reversal of 78572214365 is 56341227587.

It is a cyclic number.

It is not a de Polignac number, because 78572214365 - 2² = 78572214361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78572214361) 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 15 ways as a sum of consecutive naturals, for example, 5548484 + ... + 5562626.

It is an arithmetic number, because the mean of its divisors is an integer number (5919264000).

Almost surely, 2^78572214365 is an apocalyptic number.

It is an amenable number.

78572214365 is a deficient number, since it is larger than the sum of its proper divisors (16136009635).

78572214365 is a wasteful number, since it uses less digits than its factorization.

78572214365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19036.

The product of its digits is 2822400, while the sum is 50.

It can be divided in two parts, 7857 and 2214365, that added together give a palindrome (2222222).

The spelling of 78572214365 in words is "seventy-eight billion, five hundred seventy-two million, two hundred fourteen thousand, three hundred sixty-five".