99705967 has 2 divisors, whose sum is σ = 99705968. Its totient is φ = 99705966.

The previous prime is 99705937. The next prime is 99705971. The reversal of 99705967 is 76950799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99705967 - 2⁷ = 99705839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99705937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49852983 + 49852984.

It is an arithmetic number, because the mean of its divisors is an integer number (49852984).

Almost surely, 2^99705967 is an apocalyptic number.

99705967 is a deficient number, since it is larger than the sum of its proper divisors (1).

99705967 is an equidigital number, since it uses as much as digits as its factorization.

99705967 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 99705967 is about 9985.2875271571. The cubic root of 99705967 is about 463.7035099901.

The spelling of 99705967 in words is "ninety-nine million, seven hundred five thousand, nine hundred sixty-seven".