118797871 has 2 divisors, whose sum is σ = 118797872. Its totient is φ = 118797870.

The previous prime is 118797851. The next prime is 118797893. The reversal of 118797871 is 178797811.

It is a weak prime.

It is an emirp because it is prime and its reverse (178797811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118797871 - 2¹¹ = 118795823 is a prime.

It is a super-2 number, since 2×118797871² = 28225868308265282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118797841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59398935 + 59398936.

It is an arithmetic number, because the mean of its divisors is an integer number (59398936).

Almost surely, 2^118797871 is an apocalyptic number.

118797871 is a deficient number, since it is larger than the sum of its proper divisors (1).

118797871 is an equidigital number, since it uses as much as digits as its factorization.

118797871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 49.

The square root of 118797871 is about 10899.4436096527. The cubic root of 118797871 is about 491.5898257520.

The spelling of 118797871 in words is "one hundred eighteen million, seven hundred ninety-seven thousand, eight hundred seventy-one".