98897137 has 2 divisors, whose sum is σ = 98897138. Its totient is φ = 98897136.

The previous prime is 98897131. The next prime is 98897167. The reversal of 98897137 is 73179889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80928016 + 17969121 = 8996^2 + 4239^2 .

It is an emirp because it is prime and its reverse (73179889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98897137 - 2¹⁹ = 98372849 is a prime.

It is not a weakly prime, because it can be changed into another prime (98897131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49448568 + 49448569.

It is an arithmetic number, because the mean of its divisors is an integer number (49448569).

Almost surely, 2^98897137 is an apocalyptic number.

It is an amenable number.

98897137 is a deficient number, since it is larger than the sum of its proper divisors (1).

98897137 is an equidigital number, since it uses as much as digits as its factorization.

98897137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 52.

The square root of 98897137 is about 9944.7039674392. The cubic root of 98897137 is about 462.4462262292.

The spelling of 98897137 in words is "ninety-eight million, eight hundred ninety-seven thousand, one hundred thirty-seven".