78612301 has 8 divisors (see below), whose sum is σ = 86107320. Its totient is φ = 71436288.

The previous prime is 78612283. The next prime is 78612319. The reversal of 78612301 is 10321687.

It is an interprime number because it is at equal distance from previous prime (78612283) and next prime (78612319).

It can be written as a sum of positive squares in 4 ways, for example, as 48636676 + 29975625 = 6974^2 + 5475^2 .

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 78612301 - 2⁵ = 78612269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78612301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78612601) 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, 79236 + ... + 80221.

It is an arithmetic number, because the mean of its divisors is an integer number (10763415).

Almost surely, 2^78612301 is an apocalyptic number.

It is an amenable number.

78612301 is a deficient number, since it is larger than the sum of its proper divisors (7495019).

78612301 is a wasteful number, since it uses less digits than its factorization.

78612301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159503.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 78612301 is about 8866.3578204356. The cubic root of 78612301 is about 428.3809695675.

Adding to 78612301 its reverse (10321687), we get a palindrome (88933988).

The spelling of 78612301 in words is "seventy-eight million, six hundred twelve thousand, three hundred one".