97159906 has 4 divisors (see below), whose sum is σ = 145739862. Its totient is φ = 48579952.

The previous prime is 97159897. The next prime is 97159927. The reversal of 97159906 is 60995179.

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., 63345681 + 33814225 = 7959^2 + 5815^2 .

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, 24289975 + ... + 24289978.

Almost surely, 2^97159906 is an apocalyptic number.

97159906 is a deficient number, since it is larger than the sum of its proper divisors (48579956).

97159906 is a wasteful number, since it uses less digits than its factorization.

97159906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48579955.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 97159906 is about 9856.9724560841. The cubic root of 97159906 is about 459.7224317903.

The spelling of 97159906 in words is "ninety-seven million, one hundred fifty-nine thousand, nine hundred six".