87501163 has 2 divisors, whose sum is σ = 87501164. Its totient is φ = 87501162.

The previous prime is 87501157. The next prime is 87501191. The reversal of 87501163 is 36110578.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87501163 is a prime.

It is not a weakly prime, because it can be changed into another prime (87501103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43750581 + 43750582.

It is an arithmetic number, because the mean of its divisors is an integer number (43750582).

Almost surely, 2^87501163 is an apocalyptic number.

87501163 is a deficient number, since it is larger than the sum of its proper divisors (1).

87501163 is an equidigital number, since it uses as much as digits as its factorization.

87501163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 87501163 is about 9354.2056316932. The cubic root of 87501163 is about 443.9539677814.

The spelling of 87501163 in words is "eighty-seven million, five hundred one thousand, one hundred sixty-three".