68263847 has 8 divisors (see below), whose sum is σ = 69132336. Its totient is φ = 67398912.

The previous prime is 68263843. The next prime is 68263859. The reversal of 68263847 is 74836286.

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 68263847 - 2² = 68263843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68263798 and 68263807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68263843) 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, 76868 + ... + 77750.

It is an arithmetic number, because the mean of its divisors is an integer number (8641542).

Almost surely, 2^68263847 is an apocalyptic number.

68263847 is a deficient number, since it is larger than the sum of its proper divisors (868489).

68263847 is an equidigital number, since it uses as much as digits as its factorization.

68263847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777.

The product of its digits is 387072, while the sum is 44.

The square root of 68263847 is about 8262.1938369903. The cubic root of 68263847 is about 408.6927369461.

The spelling of 68263847 in words is "sixty-eight million, two hundred sixty-three thousand, eight hundred forty-seven".