97850066 has 4 divisors (see below), whose sum is σ = 146775102. Its totient is φ = 48925032.

The previous prime is 97850047. The next prime is 97850107. The reversal of 97850066 is 66005879.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66005879 = 643 ⋅102653.

It can be written as a sum of positive squares in only one way, i.e., 78234025 + 19616041 = 8845^2 + 4429^2 .

It is an unprimeable number.

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, 24462515 + ... + 24462518.

Almost surely, 2^97850066 is an apocalyptic number.

97850066 is a deficient number, since it is larger than the sum of its proper divisors (48925036).

97850066 is a wasteful number, since it uses less digits than its factorization.

97850066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48925035.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 97850066 is about 9891.9192273289. The cubic root of 97850066 is about 460.8083863541.

The spelling of 97850066 in words is "ninety-seven million, eight hundred fifty thousand, sixty-six".