68836705335 has 16 divisors (see below), whose sum is σ = 122376365280. Its totient is φ = 36712909440.

The previous prime is 68836705277. The next prime is 68836705349. The reversal of 68836705335 is 53350763886.

It is a happy number.

68836705335 is a `hidden beast` number, since 6 + 8 + 8 + 36 + 70 + 533 + 5 = 666.

It is not a de Polignac number, because 68836705335 - 2¹² = 68836701239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254950626 + ... + 254950895.

It is an arithmetic number, because the mean of its divisors is an integer number (7648522830).

Almost surely, 2^68836705335 is an apocalyptic number.

68836705335 is a deficient number, since it is larger than the sum of its proper divisors (53539659945).

68836705335 is a wasteful number, since it uses less digits than its factorization.

68836705335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509901535 (or 509901529 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 68836705335 in words is "sixty-eight billion, eight hundred thirty-six million, seven hundred five thousand, three hundred thirty-five".