97355889 has 12 divisors (see below), whose sum is σ = 148897476. Its totient is φ = 61085952.

The previous prime is 97355879. The next prime is 97355897. The reversal of 97355889 is 98855379.

97355889 is a `hidden beast` number, since 9 + 7 + 3 + 558 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61355889 + 36000000 = 7833^2 + 6000^2 .

It is not a de Polignac number, because 97355889 - 2⁴ = 97355873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97355879) 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 in 11 ways as a sum of consecutive naturals, for example, 318004 + ... + 318309.

It is an arithmetic number, because the mean of its divisors is an integer number (12408123).

Almost surely, 2^97355889 is an apocalyptic number.

It is an amenable number.

97355889 is a deficient number, since it is larger than the sum of its proper divisors (51541587).

97355889 is a wasteful number, since it uses less digits than its factorization.

97355889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636336 (or 636333 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 97355889 is about 9866.9087864437. The cubic root of 97355889 is about 460.0313289942.

The spelling of 97355889 in words is "ninety-seven million, three hundred fifty-five thousand, eight hundred eighty-nine".