118878593 has 2 divisors, whose sum is σ = 118878594. Its totient is φ = 118878592.

The previous prime is 118878581. The next prime is 118878619. The reversal of 118878593 is 395878811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68425984 + 50452609 = 8272^2 + 7103^2 .

It is a cyclic number.

It is not a de Polignac number, because 118878593 - 2⁴ = 118878577 is a prime.

It is not a weakly prime, because it can be changed into another prime (118878503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59439296 + 59439297.

It is an arithmetic number, because the mean of its divisors is an integer number (59439297).

Almost surely, 2^118878593 is an apocalyptic number.

It is an amenable number.

118878593 is a deficient number, since it is larger than the sum of its proper divisors (1).

118878593 is an equidigital number, since it uses as much as digits as its factorization.

118878593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 50.

The square root of 118878593 is about 10903.1460138806. The cubic root of 118878593 is about 491.7011440472.

The spelling of 118878593 in words is "one hundred eighteen million, eight hundred seventy-eight thousand, five hundred ninety-three".