87116927 has 2 divisors, whose sum is σ = 87116928. Its totient is φ = 87116926.

The previous prime is 87116879. The next prime is 87116933. The reversal of 87116927 is 72961178.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87116927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87116947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43558463 + 43558464.

It is an arithmetic number, because the mean of its divisors is an integer number (43558464).

Almost surely, 2^87116927 is an apocalyptic number.

87116927 is a deficient number, since it is larger than the sum of its proper divisors (1).

87116927 is an equidigital number, since it uses as much as digits as its factorization.

87116927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 41.

The square root of 87116927 is about 9333.6448936094. The cubic root of 87116927 is about 443.3031825401.

The spelling of 87116927 in words is "eighty-seven million, one hundred sixteen thousand, nine hundred twenty-seven".