78568895 has 8 divisors (see below), whose sum is σ = 99245040. Its totient is φ = 59546880.

The previous prime is 78568891. The next prime is 78568901. The reversal of 78568895 is 59886587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78568895 - 2² = 78568891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78568895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78568891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413426 + ... + 413615.

It is an arithmetic number, because the mean of its divisors is an integer number (12405630).

Almost surely, 2^78568895 is an apocalyptic number.

78568895 is a deficient number, since it is larger than the sum of its proper divisors (20676145).

78568895 is a wasteful number, since it uses less digits than its factorization.

78568895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827065.

The product of its digits is 4838400, while the sum is 56.

The square root of 78568895 is about 8863.9096904244. The cubic root of 78568895 is about 428.3021111383.

The spelling of 78568895 in words is "seventy-eight million, five hundred sixty-eight thousand, eight hundred ninety-five".