97785165 has 8 divisors (see below), whose sum is σ = 156456288. Its totient is φ = 52152080.

The previous prime is 97785151. The next prime is 97785169. The reversal of 97785165 is 56158779.

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

It is not a de Polignac number, because 97785165 - 2⁵ = 97785133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97785169) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3259491 + ... + 3259520.

It is an arithmetic number, because the mean of its divisors is an integer number (19557036).

Almost surely, 2^97785165 is an apocalyptic number.

It is an amenable number.

97785165 is a deficient number, since it is larger than the sum of its proper divisors (58671123).

97785165 is a wasteful number, since it uses less digits than its factorization.

97785165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519019.

The product of its digits is 529200, while the sum is 48.

The square root of 97785165 is about 9888.6381772214. The cubic root of 97785165 is about 460.7064837159.

The spelling of 97785165 in words is "ninety-seven million, seven hundred eighty-five thousand, one hundred sixty-five".