68836835007 has 24 divisors (see below), whose sum is σ = 99822362640. Its totient is φ = 45710904960.

The previous prime is 68836834993. The next prime is 68836835029. The reversal of 68836835007 is 70053863886.

It is a happy number.

It is not a de Polignac number, because 68836835007 - 2⁶ = 68836834943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68836835087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2705907 + ... + 2731227.

It is an arithmetic number, because the mean of its divisors is an integer number (4159265110).

Almost surely, 2^68836835007 is an apocalyptic number.

68836835007 is a deficient number, since it is larger than the sum of its proper divisors (30985527633).

68836835007 is a wasteful number, since it uses less digits than its factorization.

68836835007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26503 (or 26500 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 68836835007 in words is "sixty-eight billion, eight hundred thirty-six million, eight hundred thirty-five thousand, seven".