89988001 has 2 divisors, whose sum is σ = 89988002. Its totient is φ = 89988000.

The previous prime is 89987929. The next prime is 89988013. The reversal of 89988001 is 10088998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76475025 + 13512976 = 8745^2 + 3676^2 .

It is a cyclic number.

It is not a de Polignac number, because 89988001 - 2¹¹ = 89985953 is a prime.

It is not a weakly prime, because it can be changed into another prime (89988061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44994000 + 44994001.

It is an arithmetic number, because the mean of its divisors is an integer number (44994001).

Almost surely, 2^89988001 is an apocalyptic number.

It is an amenable number.

89988001 is a deficient number, since it is larger than the sum of its proper divisors (1).

89988001 is an equidigital number, since it uses as much as digits as its factorization.

89988001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 89988001 is about 9486.2005565980. The cubic root of 89988001 is about 448.1205580759.

The spelling of 89988001 in words is "eighty-nine million, nine hundred eighty-eight thousand, one".