97811059 has 2 divisors, whose sum is σ = 97811060. Its totient is φ = 97811058.

The previous prime is 97811057. The next prime is 97811071. The reversal of 97811059 is 95011879.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97811059 - 2¹ = 97811057 is a prime.

Together with 97811057, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97811057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48905529 + 48905530.

It is an arithmetic number, because the mean of its divisors is an integer number (48905530).

Almost surely, 2^97811059 is an apocalyptic number.

97811059 is a deficient number, since it is larger than the sum of its proper divisors (1).

97811059 is an equidigital number, since it uses as much as digits as its factorization.

97811059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 97811059 is about 9889.9473709419. The cubic root of 97811059 is about 460.7471459194.

The spelling of 97811059 in words is "ninety-seven million, eight hundred eleven thousand, fifty-nine".