89485867 has 2 divisors, whose sum is σ = 89485868. Its totient is φ = 89485866.

The previous prime is 89485843. The next prime is 89485873. The reversal of 89485867 is 76858498.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89485867 is a prime.

It is not a weakly prime, because it can be changed into another prime (89405867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44742933 + 44742934.

It is an arithmetic number, because the mean of its divisors is an integer number (44742934).

Almost surely, 2^89485867 is an apocalyptic number.

89485867 is a deficient number, since it is larger than the sum of its proper divisors (1).

89485867 is an equidigital number, since it uses as much as digits as its factorization.

89485867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 55.

The square root of 89485867 is about 9459.6969824620. The cubic root of 89485867 is about 447.2854971059.

The spelling of 89485867 in words is "eighty-nine million, four hundred eighty-five thousand, eight hundred sixty-seven".