99606667 has 2 divisors, whose sum is σ = 99606668. Its totient is φ = 99606666.

The previous prime is 99606659. The next prime is 99606679. The reversal of 99606667 is 76660699.

It is a weak prime.

It is an emirp because it is prime and its reverse (76660699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99606667 - 2³ = 99606659 is a prime.

It is a super-2 number, since 2×99606667² = 19842976221697778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99606667.

It is not a weakly prime, because it can be changed into another prime (99606167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49803333 + 49803334.

It is an arithmetic number, because the mean of its divisors is an integer number (49803334).

Almost surely, 2^99606667 is an apocalyptic number.

99606667 is a deficient number, since it is larger than the sum of its proper divisors (1).

99606667 is an equidigital number, since it uses as much as digits as its factorization.

99606667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 99606667 is about 9980.3139730171. The cubic root of 99606667 is about 463.5495203661.

The spelling of 99606667 in words is "ninety-nine million, six hundred six thousand, six hundred sixty-seven".