118097687 has 2 divisors, whose sum is σ = 118097688. Its totient is φ = 118097686.

The previous prime is 118097659. The next prime is 118097689. The reversal of 118097687 is 786790811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118097687 - 2¹⁰ = 118096663 is a prime.

Together with 118097689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118097689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59048843 + 59048844.

It is an arithmetic number, because the mean of its divisors is an integer number (59048844).

Almost surely, 2^118097687 is an apocalyptic number.

118097687 is a deficient number, since it is larger than the sum of its proper divisors (1).

118097687 is an equidigital number, since it uses as much as digits as its factorization.

118097687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 118097687 is about 10867.2759696255. The cubic root of 118097687 is about 490.6221266252.

The spelling of 118097687 in words is "one hundred eighteen million, ninety-seven thousand, six hundred eighty-seven".