97765005 has 32 divisors (see below), whose sum is σ = 171239040. Its totient is φ = 47335680.

The previous prime is 97764959. The next prime is 97765007. The reversal of 97765005 is 50056779.

It is not a de Polignac number, because 97765005 - 2⁸ = 97764749 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97765007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7786 + ... + 16004.

It is an arithmetic number, because the mean of its divisors is an integer number (5351220).

Almost surely, 2^97765005 is an apocalyptic number.

It is an amenable number.

97765005 is a deficient number, since it is larger than the sum of its proper divisors (73474035).

97765005 is a wasteful number, since it uses less digits than its factorization.

97765005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301.

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 97765005 is about 9887.6187729908. The cubic root of 97765005 is about 460.6748208317.

The spelling of 97765005 in words is "ninety-seven million, seven hundred sixty-five thousand, five".