99137671 has 2 divisors, whose sum is σ = 99137672. Its totient is φ = 99137670.

The previous prime is 99137663. The next prime is 99137681. The reversal of 99137671 is 17673199.

It is a weak prime.

It is an emirp because it is prime and its reverse (17673199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99137671 - 2³ = 99137663 is a prime.

It is a super-2 number, since 2×99137671² = 19656555622608482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99137681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49568835 + 49568836.

It is an arithmetic number, because the mean of its divisors is an integer number (49568836).

Almost surely, 2^99137671 is an apocalyptic number.

99137671 is a deficient number, since it is larger than the sum of its proper divisors (1).

99137671 is an equidigital number, since it uses as much as digits as its factorization.

99137671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 43.

The square root of 99137671 is about 9956.7901956404. The cubic root of 99137671 is about 462.8208376211.

The spelling of 99137671 in words is "ninety-nine million, one hundred thirty-seven thousand, six hundred seventy-one".