98156647 has 2 divisors, whose sum is σ = 98156648. Its totient is φ = 98156646.

The previous prime is 98156627. The next prime is 98156683. The reversal of 98156647 is 74665189.

It is a weak prime.

It is an emirp because it is prime and its reverse (74665189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98156647 - 2²³ = 89768039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98156597 and 98156606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98156627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49078323 + 49078324.

It is an arithmetic number, because the mean of its divisors is an integer number (49078324).

Almost surely, 2^98156647 is an apocalyptic number.

98156647 is a deficient number, since it is larger than the sum of its proper divisors (1).

98156647 is an equidigital number, since it uses as much as digits as its factorization.

98156647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 98156647 is about 9907.4036457591. The cubic root of 98156647 is about 461.2891484412.

The spelling of 98156647 in words is "ninety-eight million, one hundred fifty-six thousand, six hundred forty-seven".