89071623 has 16 divisors (see below), whose sum is σ = 132649440. Its totient is φ = 59069952.

The previous prime is 89071613. The next prime is 89071637. The reversal of 89071623 is 32617098.

It is not a de Polignac number, because 89071623 - 2¹² = 89067527 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89071613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (8290590).

Almost surely, 2^89071623 is an apocalyptic number.

89071623 is a deficient number, since it is larger than the sum of its proper divisors (43577817).

89071623 is a wasteful number, since it uses less digits than its factorization.

89071623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17295 (or 17289 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 89071623 is about 9437.7763800590. The cubic root of 89071623 is about 446.5942446504.

The spelling of 89071623 in words is "eighty-nine million, seventy-one thousand, six hundred twenty-three".