97375666 has 4 divisors (see below), whose sum is σ = 146063502. Its totient is φ = 48687832.

The previous prime is 97375657. The next prime is 97375673. The reversal of 97375666 is 66657379.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59737441 + 37638225 = 7729^2 + 6135^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24343915 + ... + 24343918.

Almost surely, 2^97375666 is an apocalyptic number.

97375666 is a deficient number, since it is larger than the sum of its proper divisors (48687836).

97375666 is a wasteful number, since it uses less digits than its factorization.

97375666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48687835.

The product of its digits is 1428840, while the sum is 49.

The square root of 97375666 is about 9867.9109237974. The cubic root of 97375666 is about 460.0624773362.

The spelling of 97375666 in words is "ninety-seven million, three hundred seventy-five thousand, six hundred sixty-six".