67828137011 has 4 divisors (see below), whose sum is σ = 68590251000. Its totient is φ = 67066023024.

The previous prime is 67828136941. The next prime is 67828137017. The reversal of 67828137011 is 11073182876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67828137011 - 2¹⁰ = 67828135987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67828137017) 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 3 ways as a sum of consecutive naturals, for example, 381056861 + ... + 381057038.

It is an arithmetic number, because the mean of its divisors is an integer number (17147562750).

Almost surely, 2^67828137011 is an apocalyptic number.

67828137011 is a deficient number, since it is larger than the sum of its proper divisors (762113989).

67828137011 is an equidigital number, since it uses as much as digits as its factorization.

67828137011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762113988.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 67828137011 in words is "sixty-seven billion, eight hundred twenty-eight million, one hundred thirty-seven thousand, eleven".