82175765 has 16 divisors (see below), whose sum is σ = 113048832. Its totient is φ = 56173824.

The previous prime is 82175759. The next prime is 82175771. The reversal of 82175765 is 56757128.

It is an interprime number because it is at equal distance from previous prime (82175759) and next prime (82175771).

It is not a de Polignac number, because 82175765 - 2⁴ = 82175749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8312 + ... + 15278.

It is an arithmetic number, because the mean of its divisors is an integer number (7065552).

Almost surely, 2^82175765 is an apocalyptic number.

It is an amenable number.

82175765 is a deficient number, since it is larger than the sum of its proper divisors (30873067).

82175765 is a wasteful number, since it uses less digits than its factorization.

82175765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316.

The product of its digits is 117600, while the sum is 41.

The square root of 82175765 is about 9065.0849416870. The cubic root of 82175765 is about 434.7583367255.

The spelling of 82175765 in words is "eighty-two million, one hundred seventy-five thousand, seven hundred sixty-five".