68078837211 has 32 divisors (see below), whose sum is σ = 119827081728. Its totient is φ = 33285296640.

The previous prime is 68078837179. The next prime is 68078837221. The reversal of 68078837211 is 11273887086.

It is not a de Polignac number, because 68078837211 - 2⁵ = 68078837179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (68078837221) 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 31 ways as a sum of consecutive naturals, for example, 8664120 + ... + 8671973.

It is an arithmetic number, because the mean of its divisors is an integer number (3744596304).

Almost surely, 2^68078837211 is an apocalyptic number.

68078837211 is a deficient number, since it is larger than the sum of its proper divisors (51748244517).

68078837211 is a wasteful number, since it uses less digits than its factorization.

68078837211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17336131.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 68078837211 in words is "sixty-eight billion, seventy-eight million, eight hundred thirty-seven thousand, two hundred eleven".