89220923 has 8 divisors (see below), whose sum is σ = 98137776. Its totient is φ = 81108720.

The previous prime is 89220877. The next prime is 89220931. The reversal of 89220923 is 32902298.

It is not a de Polignac number, because 89220923 - 2⁸ = 89220667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89220953) 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, 32186 + ... + 34847.

It is an arithmetic number, because the mean of its divisors is an integer number (12267222).

Almost surely, 2^89220923 is an apocalyptic number.

89220923 is a deficient number, since it is larger than the sum of its proper divisors (8916853).

89220923 is an equidigital number, since it uses as much as digits as its factorization.

89220923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67066 (or 67044 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 89220923 is about 9445.6827704513. The cubic root of 89220923 is about 446.8436293560.

The spelling of 89220923 in words is "eighty-nine million, two hundred twenty thousand, nine hundred twenty-three".