89650871 has 2 divisors, whose sum is σ = 89650872. Its totient is φ = 89650870.

The previous prime is 89650837. The next prime is 89650903. The reversal of 89650871 is 17805698.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89650871 - 2⁶ = 89650807 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89650801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44825435 + 44825436.

It is an arithmetic number, because the mean of its divisors is an integer number (44825436).

Almost surely, 2^89650871 is an apocalyptic number.

89650871 is a deficient number, since it is larger than the sum of its proper divisors (1).

89650871 is an equidigital number, since it uses as much as digits as its factorization.

89650871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 89650871 is about 9468.4143867915. The cubic root of 89650871 is about 447.5602465624.

The spelling of 89650871 in words is "eighty-nine million, six hundred fifty thousand, eight hundred seventy-one".