89579983 has 2 divisors, whose sum is σ = 89579984. Its totient is φ = 89579982.

The previous prime is 89579951. The next prime is 89579999. The reversal of 89579983 is 38997598.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89579983 - 2⁵ = 89579951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89570983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44789991 + 44789992.

It is an arithmetic number, because the mean of its divisors is an integer number (44789992).

Almost surely, 2^89579983 is an apocalyptic number.

89579983 is a deficient number, since it is larger than the sum of its proper divisors (1).

89579983 is an equidigital number, since it uses as much as digits as its factorization.

89579983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 89579983 is about 9464.6702531044. The cubic root of 89579983 is about 447.4422517369.

The spelling of 89579983 in words is "eighty-nine million, five hundred seventy-nine thousand, nine hundred eighty-three".