99573983 has 2 divisors, whose sum is σ = 99573984. Its totient is φ = 99573982.

The previous prime is 99573977. The next prime is 99573989. The reversal of 99573983 is 38937599.

It is a balanced prime because it is at equal distance from previous prime (99573977) and next prime (99573989).

It is a cyclic number.

It is not a de Polignac number, because 99573983 - 2⁴ = 99573967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99573989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49786991 + 49786992.

It is an arithmetic number, because the mean of its divisors is an integer number (49786992).

Almost surely, 2^99573983 is an apocalyptic number.

99573983 is a deficient number, since it is larger than the sum of its proper divisors (1).

99573983 is an equidigital number, since it uses as much as digits as its factorization.

99573983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 53.

The square root of 99573983 is about 9978.6764152366. The cubic root of 99573983 is about 463.4988132183.

The spelling of 99573983 in words is "ninety-nine million, five hundred seventy-three thousand, nine hundred eighty-three".