87118347 has 8 divisors (see below), whose sum is σ = 116766720. Its totient is φ = 57774440.

The previous prime is 87118337. The next prime is 87118357. The reversal of 87118347 is 74381178.

It is an interprime number because it is at equal distance from previous prime (87118337) and next prime (87118357).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87118347 - 2⁴ = 87118331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87118337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75447 + ... + 76592.

It is an arithmetic number, because the mean of its divisors is an integer number (14595840).

Almost surely, 2^87118347 is an apocalyptic number.

87118347 is a deficient number, since it is larger than the sum of its proper divisors (29648373).

87118347 is a wasteful number, since it uses less digits than its factorization.

87118347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152233.

The product of its digits is 37632, while the sum is 39.

The square root of 87118347 is about 9333.7209621887. The cubic root of 87118347 is about 443.3055911309.

The spelling of 87118347 in words is "eighty-seven million, one hundred eighteen thousand, three hundred forty-seven".