118556887 has 2 divisors, whose sum is σ = 118556888. Its totient is φ = 118556886.

The previous prime is 118556869. The next prime is 118556899. The reversal of 118556887 is 788655811.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (788655811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118556887 - 2¹⁹ = 118032599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118556887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118556687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59278443 + 59278444.

It is an arithmetic number, because the mean of its divisors is an integer number (59278444).

Almost surely, 2^118556887 is an apocalyptic number.

118556887 is a deficient number, since it is larger than the sum of its proper divisors (1).

118556887 is an equidigital number, since it uses as much as digits as its factorization.

118556887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 49.

The square root of 118556887 is about 10888.3831214740. The cubic root of 118556887 is about 491.2572006101.

The spelling of 118556887 in words is "one hundred eighteen million, five hundred fifty-six thousand, eight hundred eighty-seven".