89901027187 has 2 divisors, whose sum is σ = 89901027188. Its totient is φ = 89901027186.

The previous prime is 89901027163. The next prime is 89901027277. The reversal of 89901027187 is 78172010998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89901027187 - 2⁷ = 89901027059 is a prime.

It is not a weakly prime, because it can be changed into another prime (89901027127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44950513593 + 44950513594.

It is an arithmetic number, because the mean of its divisors is an integer number (44950513594).

Almost surely, 2^89901027187 is an apocalyptic number.

89901027187 is a deficient number, since it is larger than the sum of its proper divisors (1).

89901027187 is an equidigital number, since it uses as much as digits as its factorization.

89901027187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 52.

The spelling of 89901027187 in words is "eighty-nine billion, nine hundred one million, twenty-seven thousand, one hundred eighty-seven".