68112847 has 4 divisors (see below), whose sum is σ = 74304936. Its totient is φ = 61920760.

The previous prime is 68112841. The next prime is 68112881. The reversal of 68112847 is 74821186.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68112847 - 2¹⁵ = 68080079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68112841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3096028 + ... + 3096049.

It is an arithmetic number, because the mean of its divisors is an integer number (18576234).

Almost surely, 2^68112847 is an apocalyptic number.

68112847 is a deficient number, since it is larger than the sum of its proper divisors (6192089).

68112847 is a wasteful number, since it uses less digits than its factorization.

68112847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192088.

The product of its digits is 21504, while the sum is 37.

The square root of 68112847 is about 8253.0507692610. The cubic root of 68112847 is about 408.3911709641.

The spelling of 68112847 in words is "sixty-eight million, one hundred twelve thousand, eight hundred forty-seven".