118853869 has 2 divisors, whose sum is σ = 118853870. Its totient is φ = 118853868.

The previous prime is 118853827. The next prime is 118853899. The reversal of 118853869 is 968358811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113678244 + 5175625 = 10662^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 118853869 - 2¹³ = 118845677 is a prime.

It is a super-2 number, since 2×118853869² = 28252484352538322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118853899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59426934 + 59426935.

It is an arithmetic number, because the mean of its divisors is an integer number (59426935).

Almost surely, 2^118853869 is an apocalyptic number.

It is an amenable number.

118853869 is a deficient number, since it is larger than the sum of its proper divisors (1).

118853869 is an equidigital number, since it uses as much as digits as its factorization.

118853869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 49.

The square root of 118853869 is about 10902.0121537265. The cubic root of 118853869 is about 491.6670541923.

The spelling of 118853869 in words is "one hundred eighteen million, eight hundred fifty-three thousand, eight hundred sixty-nine".