68944853 has 4 divisors (see below), whose sum is σ = 68968800. Its totient is φ = 68920908.

The previous prime is 68944849. The next prime is 68944859. The reversal of 68944853 is 35844986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68944853 - 2² = 68944849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68944798 and 68944807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68944859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6953 + ... + 13646.

It is an arithmetic number, because the mean of its divisors is an integer number (17242200).

Almost surely, 2^68944853 is an apocalyptic number.

It is an amenable number.

68944853 is a deficient number, since it is larger than the sum of its proper divisors (23947).

68944853 is a wasteful number, since it uses less digits than its factorization.

68944853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23946.

The product of its digits is 829440, while the sum is 47.

The square root of 68944853 is about 8303.3037400784. The cubic root of 68944853 is about 410.0472937711.

The spelling of 68944853 in words is "sixty-eight million, nine hundred forty-four thousand, eight hundred fifty-three".