118579843 has 2 divisors, whose sum is σ = 118579844. Its totient is φ = 118579842.

The previous prime is 118579819. The next prime is 118579871. The reversal of 118579843 is 348975811.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (348975811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118579843 is a prime.

It is a super-2 number, since 2×118579843² = 28122358331809298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118579793 and 118579802.

It is not a weakly prime, because it can be changed into another prime (118579343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59289921 + 59289922.

It is an arithmetic number, because the mean of its divisors is an integer number (59289922).

Almost surely, 2^118579843 is an apocalyptic number.

118579843 is a deficient number, since it is larger than the sum of its proper divisors (1).

118579843 is an equidigital number, since it uses as much as digits as its factorization.

118579843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The square root of 118579843 is about 10889.4372214546. The cubic root of 118579843 is about 491.2889057063.

The spelling of 118579843 in words is "one hundred eighteen million, five hundred seventy-nine thousand, eight hundred forty-three".