89699983 has 2 divisors, whose sum is σ = 89699984. Its totient is φ = 89699982.

The previous prime is 89699927. The next prime is 89699989. The reversal of 89699983 is 38999698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89699983 - 2²¹ = 87602831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89699989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44849991 + 44849992.

It is an arithmetic number, because the mean of its divisors is an integer number (44849992).

Almost surely, 2^89699983 is an apocalyptic number.

89699983 is a deficient number, since it is larger than the sum of its proper divisors (1).

89699983 is an equidigital number, since it uses as much as digits as its factorization.

89699983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 61.

The square root of 89699983 is about 9471.0074965655. The cubic root of 89699983 is about 447.6419582292.

The spelling of 89699983 in words is "eighty-nine million, six hundred ninety-nine thousand, nine hundred eighty-three".