89996567 has 2 divisors, whose sum is σ = 89996568. Its totient is φ = 89996566.

The previous prime is 89996561. The next prime is 89996579. The reversal of 89996567 is 76569998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89996567 - 2¹⁴ = 89980183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89996561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44998283 + 44998284.

It is an arithmetic number, because the mean of its divisors is an integer number (44998284).

Almost surely, 2^89996567 is an apocalyptic number.

89996567 is a deficient number, since it is larger than the sum of its proper divisors (1).

89996567 is an equidigital number, since it uses as much as digits as its factorization.

89996567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 59.

The square root of 89996567 is about 9486.6520437929. The cubic root of 89996567 is about 448.1347765601.

The spelling of 89996567 in words is "eighty-nine million, nine hundred ninety-six thousand, five hundred sixty-seven".