99450797 has 2 divisors, whose sum is σ = 99450798. Its totient is φ = 99450796.

The previous prime is 99450763. The next prime is 99450803. The reversal of 99450797 is 79705499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76545001 + 22905796 = 8749^2 + 4786^2 .

It is an emirp because it is prime and its reverse (79705499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99450797 - 2⁶ = 99450733 is a prime.

It is a super-2 number, since 2×99450797² = 19780922047870418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99650797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49725398 + 49725399.

It is an arithmetic number, because the mean of its divisors is an integer number (49725399).

Almost surely, 2^99450797 is an apocalyptic number.

It is an amenable number.

99450797 is a deficient number, since it is larger than the sum of its proper divisors (1).

99450797 is an equidigital number, since it uses as much as digits as its factorization.

99450797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 99450797 is about 9972.5020431184. The cubic root of 99450797 is about 463.3075981888.

The spelling of 99450797 in words is "ninety-nine million, four hundred fifty thousand, seven hundred ninety-seven".