89669923 has 8 divisors (see below), whose sum is σ = 103012448. Its totient is φ = 76460544.

The previous prime is 89669897. The next prime is 89669929. The reversal of 89669923 is 32996698.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89669923 - 2¹³ = 89661731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89669929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31836 + ... + 34537.

It is an arithmetic number, because the mean of its divisors is an integer number (12876556).

Almost surely, 2^89669923 is an apocalyptic number.

89669923 is a deficient number, since it is larger than the sum of its proper divisors (13342525).

89669923 is a wasteful number, since it uses less digits than its factorization.

89669923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66573.

The product of its digits is 1259712, while the sum is 52.

The square root of 89669923 is about 9469.4204152102. The cubic root of 89669923 is about 447.5919484811.

The spelling of 89669923 in words is "eighty-nine million, six hundred sixty-nine thousand, nine hundred twenty-three".