67500667879 has 2 divisors, whose sum is σ = 67500667880. Its totient is φ = 67500667878.

The previous prime is 67500667877. The next prime is 67500667907. The reversal of 67500667879 is 97876600576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67500667879 - 2¹ = 67500667877 is a prime.

It is a super-2 number, since 2×67500667879² (a number of 22 digits) contains 22 as substring.

Together with 67500667877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67500667877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33750333939 + 33750333940.

It is an arithmetic number, because the mean of its divisors is an integer number (33750333940).

Almost surely, 2^67500667879 is an apocalyptic number.

67500667879 is a deficient number, since it is larger than the sum of its proper divisors (1).

67500667879 is an equidigital number, since it uses as much as digits as its factorization.

67500667879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 67500667879 in words is "sixty-seven billion, five hundred million, six hundred sixty-seven thousand, eight hundred seventy-nine".