94136879 has 2 divisors, whose sum is σ = 94136880. Its totient is φ = 94136878.

The previous prime is 94136831. The next prime is 94136897. The reversal of 94136879 is 97863149.

Together with next prime (94136897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (97863149) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94136879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94136179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47068439 + 47068440.

It is an arithmetic number, because the mean of its divisors is an integer number (47068440).

Almost surely, 2^94136879 is an apocalyptic number.

94136879 is a deficient number, since it is larger than the sum of its proper divisors (1).

94136879 is an equidigital number, since it uses as much as digits as its factorization.

94136879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 94136879 is about 9702.4161423843. The cubic root of 94136879 is about 454.9041846305.

The spelling of 94136879 in words is "ninety-four million, one hundred thirty-six thousand, eight hundred seventy-nine".