99690067 has 2 divisors, whose sum is σ = 99690068. Its totient is φ = 99690066.

The previous prime is 99690029. The next prime is 99690103. The reversal of 99690067 is 76009699.

It is a strong prime.

It is an emirp because it is prime and its reverse (76009699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99690067 - 2¹¹ = 99688019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99689999 and 99690026.

It is not a weakly prime, because it can be changed into another prime (99690467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49845033 + 49845034.

It is an arithmetic number, because the mean of its divisors is an integer number (49845034).

Almost surely, 2^99690067 is an apocalyptic number.

99690067 is a deficient number, since it is larger than the sum of its proper divisors (1).

99690067 is an equidigital number, since it uses as much as digits as its factorization.

99690067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 99690067 is about 9984.4913240485. The cubic root of 99690067 is about 463.6788599182.

The spelling of 99690067 in words is "ninety-nine million, six hundred ninety thousand, sixty-seven".