68845963 has 4 divisors (see below), whose sum is σ = 68929840. Its totient is φ = 68762088.

The previous prime is 68845961. The next prime is 68845981. The reversal of 68845963 is 36954886.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68845963 - 2¹ = 68845961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68845961) 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, 40695 + ... + 42352.

It is an arithmetic number, because the mean of its divisors is an integer number (17232460).

Almost surely, 2^68845963 is an apocalyptic number.

68845963 is a deficient number, since it is larger than the sum of its proper divisors (83877).

68845963 is an equidigital number, since it uses as much as digits as its factorization.

68845963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83876.

The product of its digits is 1244160, while the sum is 49.

The square root of 68845963 is about 8297.3467445925. The cubic root of 68845963 is about 409.8511515995.

The spelling of 68845963 in words is "sixty-eight million, eight hundred forty-five thousand, nine hundred sixty-three".