98837009 has 2 divisors, whose sum is σ = 98837010. Its totient is φ = 98837008.

The previous prime is 98836999. The next prime is 98837029. The reversal of 98837009 is 90073889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97456384 + 1380625 = 9872^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 98837009 - 2²⁴ = 82059793 is a prime.

It is not a weakly prime, because it can be changed into another prime (98837029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49418504 + 49418505.

It is an arithmetic number, because the mean of its divisors is an integer number (49418505).

Almost surely, 2^98837009 is an apocalyptic number.

It is an amenable number.

98837009 is a deficient number, since it is larger than the sum of its proper divisors (1).

98837009 is an equidigital number, since it uses as much as digits as its factorization.

98837009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 98837009 is about 9941.6803911612. The cubic root of 98837009 is about 462.3524870687.

The spelling of 98837009 in words is "ninety-eight million, eight hundred thirty-seven thousand, nine".