89164385927 has 4 divisors (see below), whose sum is σ = 90293049120. Its totient is φ = 88035722736.

The previous prime is 89164385897. The next prime is 89164385957. The reversal of 89164385927 is 72958346198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72958346198 = 2 ⋅36479173099.

It is an interprime number because it is at equal distance from previous prime (89164385897) and next prime (89164385957).

It is a cyclic number.

It is not a de Polignac number, because 89164385927 - 2¹⁴ = 89164369543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89164385927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89164385957) 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 in 3 ways as a sum of consecutive naturals, for example, 564331478 + ... + 564331635.

It is an arithmetic number, because the mean of its divisors is an integer number (22573262280).

Almost surely, 2^89164385927 is an apocalyptic number.

89164385927 is a deficient number, since it is larger than the sum of its proper divisors (1128663193).

89164385927 is a wasteful number, since it uses less digits than its factorization.

89164385927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128663192.

The product of its digits is 26127360, while the sum is 62.

The spelling of 89164385927 in words is "eighty-nine billion, one hundred sixty-four million, three hundred eighty-five thousand, nine hundred twenty-seven".