89388571 has 2 divisors, whose sum is σ = 89388572. Its totient is φ = 89388570.

The previous prime is 89388473. The next prime is 89388577. The reversal of 89388571 is 17588398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89388571 - 2¹⁷ = 89257499 is a prime.

It is not a weakly prime, because it can be changed into another prime (89388577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44694285 + 44694286.

It is an arithmetic number, because the mean of its divisors is an integer number (44694286).

Almost surely, 2^89388571 is an apocalyptic number.

89388571 is a deficient number, since it is larger than the sum of its proper divisors (1).

89388571 is an equidigital number, since it uses as much as digits as its factorization.

89388571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 49.

The square root of 89388571 is about 9454.5529243852. The cubic root of 89388571 is about 447.1233304489.

The spelling of 89388571 in words is "eighty-nine million, three hundred eighty-eight thousand, five hundred seventy-one".