97859965 has 8 divisors (see below), whose sum is σ = 134208000. Its totient is φ = 67103952.

The previous prime is 97859903. The next prime is 97859981. The reversal of 97859965 is 56995879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97859965 - 2⁹ = 97859453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397965 + ... + 1398034.

It is an arithmetic number, because the mean of its divisors is an integer number (16776000).

Almost surely, 2^97859965 is an apocalyptic number.

It is an amenable number.

97859965 is a deficient number, since it is larger than the sum of its proper divisors (36348035).

97859965 is a wasteful number, since it uses less digits than its factorization.

97859965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796011.

The product of its digits is 6123600, while the sum is 58.

The square root of 97859965 is about 9892.4195725818. The cubic root of 97859965 is about 460.8239250539.

The spelling of 97859965 in words is "ninety-seven million, eight hundred fifty-nine thousand, nine hundred sixty-five".