68082885 has 24 divisors (see below), whose sum is σ = 127089144. Its totient is φ = 33517440.

The previous prime is 68082877. The next prime is 68082887. The reversal of 68082885 is 58828086.

It can be written as a sum of positive squares in 4 ways, for example, as 15069924 + 53012961 = 3882^2 + 7281^2 .

It is not a de Polignac number, because 68082885 - 2³ = 68082877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 68082885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68082887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57606 + ... + 58775.

It is an arithmetic number, because the mean of its divisors is an integer number (5295381).

Almost surely, 2^68082885 is an apocalyptic number.

68082885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68082885 is a deficient number, since it is larger than the sum of its proper divisors (59006259).

68082885 is a wasteful number, since it uses less digits than its factorization.

68082885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116405 (or 116402 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 68082885 is about 8251.2353620534. The cubic root of 68082885 is about 408.3312801044.

The spelling of 68082885 in words is "sixty-eight million, eighty-two thousand, eight hundred eighty-five".