99706597 has 2 divisors, whose sum is σ = 99706598. Its totient is φ = 99706596.

The previous prime is 99706577. The next prime is 99706603. The reversal of 99706597 is 79560799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70123876 + 29582721 = 8374^2 + 5439^2 .

It is a cyclic number.

It is not a de Polignac number, because 99706597 - 2⁷ = 99706469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99706517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49853298 + 49853299.

It is an arithmetic number, because the mean of its divisors is an integer number (49853299).

Almost surely, 2^99706597 is an apocalyptic number.

It is an amenable number.

99706597 is a deficient number, since it is larger than the sum of its proper divisors (1).

99706597 is an equidigital number, since it uses as much as digits as its factorization.

99706597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 99706597 is about 9985.3190735199. The cubic root of 99706597 is about 463.7044866370.

The spelling of 99706597 in words is "ninety-nine million, seven hundred six thousand, five hundred ninety-seven".