97099837 has 2 divisors, whose sum is σ = 97099838. Its totient is φ = 97099836.

The previous prime is 97099829. The next prime is 97099853. The reversal of 97099837 is 73899079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94206436 + 2893401 = 9706^2 + 1701^2 .

It is a cyclic number.

It is not a de Polignac number, because 97099837 - 2³ = 97099829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97099237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48549918 + 48549919.

It is an arithmetic number, because the mean of its divisors is an integer number (48549919).

Almost surely, 2^97099837 is an apocalyptic number.

It is an amenable number.

97099837 is a deficient number, since it is larger than the sum of its proper divisors (1).

97099837 is an equidigital number, since it uses as much as digits as its factorization.

97099837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 97099837 is about 9853.9249540475. The cubic root of 97099837 is about 459.6276713045.

The spelling of 97099837 in words is "ninety-seven million, ninety-nine thousand, eight hundred thirty-seven".