68825853 has 12 divisors (see below), whose sum is σ = 101291580. Its totient is φ = 45017856.

The previous prime is 68825849. The next prime is 68825857. The reversal of 68825853 is 35852886.

It is a happy number.

68825853 is a `hidden beast` number, since 68 + 8 + 2 + 585 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (68825849) and next prime (68825857).

It can be written as a sum of positive squares in 2 ways, for example, as 24029604 + 44796249 = 4902^2 + 6693^2 .

It is not a de Polignac number, because 68825853 - 2² = 68825849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68825799 and 68825808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68825857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71668 + ... + 72621.

It is an arithmetic number, because the mean of its divisors is an integer number (8440965).

Almost surely, 2^68825853 is an apocalyptic number.

It is an amenable number.

68825853 is a deficient number, since it is larger than the sum of its proper divisors (32465727).

68825853 is a wasteful number, since it uses less digits than its factorization.

68825853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144348 (or 144345 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 68825853 is about 8296.1348229160. The cubic root of 68825853 is about 409.8112416859.

The spelling of 68825853 in words is "sixty-eight million, eight hundred twenty-five thousand, eight hundred fifty-three".