99271607 has 2 divisors, whose sum is σ = 99271608. Its totient is φ = 99271606.

The previous prime is 99271603. The next prime is 99271609. The reversal of 99271607 is 70617299.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99271607 - 2² = 99271603 is a prime.

Together with 99271609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99271603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49635803 + 49635804.

It is an arithmetic number, because the mean of its divisors is an integer number (49635804).

Almost surely, 2^99271607 is an apocalyptic number.

99271607 is a deficient number, since it is larger than the sum of its proper divisors (1).

99271607 is an equidigital number, since it uses as much as digits as its factorization.

99271607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 99271607 is about 9963.5137878160. The cubic root of 99271607 is about 463.0291690468.

The spelling of 99271607 in words is "ninety-nine million, two hundred seventy-one thousand, six hundred seven".