68458853 has 4 divisors (see below), whose sum is σ = 68476320. Its totient is φ = 68441388.

The previous prime is 68458849. The next prime is 68458861. The reversal of 68458853 is 35885486.

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 68458853 - 2² = 68458849 is a prime.

It is a super-2 number, since 2×68458853² = 9373229108151218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68458798 and 68458807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68458823) 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, 176 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (17119080).

Almost surely, 2^68458853 is an apocalyptic number.

It is an amenable number.

68458853 is a deficient number, since it is larger than the sum of its proper divisors (17467).

68458853 is a wasteful number, since it uses less digits than its factorization.

68458853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17466.

The product of its digits is 921600, while the sum is 47.

The square root of 68458853 is about 8273.9865240403. The cubic root of 68458853 is about 409.0815311625.

The spelling of 68458853 in words is "sixty-eight million, four hundred fifty-eight thousand, eight hundred fifty-three".