97323987 has 4 divisors (see below), whose sum is σ = 129765320. Its totient is φ = 64882656.

The previous prime is 97323977. The next prime is 97323991. The reversal of 97323987 is 78932379.

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

It is not a de Polignac number, because 97323987 - 2⁶ = 97323923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97323937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16220662 + ... + 16220667.

It is an arithmetic number, because the mean of its divisors is an integer number (32441330).

Almost surely, 2^97323987 is an apocalyptic number.

97323987 is a deficient number, since it is larger than the sum of its proper divisors (32441333).

97323987 is a wasteful number, since it uses less digits than its factorization.

97323987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32441332.

The product of its digits is 571536, while the sum is 48.

The square root of 97323987 is about 9865.2920382521. The cubic root of 97323987 is about 459.9810751509.

The spelling of 97323987 in words is "ninety-seven million, three hundred twenty-three thousand, nine hundred eighty-seven".