89640151 has 2 divisors, whose sum is σ = 89640152. Its totient is φ = 89640150.

The previous prime is 89640149. The next prime is 89640169. The reversal of 89640151 is 15104698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89640151 - 2¹ = 89640149 is a prime.

Together with 89640149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89640181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44820075 + 44820076.

It is an arithmetic number, because the mean of its divisors is an integer number (44820076).

Almost surely, 2^89640151 is an apocalyptic number.

89640151 is a deficient number, since it is larger than the sum of its proper divisors (1).

89640151 is an equidigital number, since it uses as much as digits as its factorization.

89640151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 89640151 is about 9467.8482771958. The cubic root of 89640151 is about 447.5424068506.

The spelling of 89640151 in words is "eighty-nine million, six hundred forty thousand, one hundred fifty-one".