82029775 has 12 divisors (see below), whose sum is σ = 103237192. Its totient is φ = 64643040.

The previous prime is 82029769. The next prime is 82029823. The reversal of 82029775 is 57792028.

It is not a de Polignac number, because 82029775 - 2⁹ = 82029263 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 11 ways as a sum of consecutive naturals, for example, 22812 + ... + 26161.

Almost surely, 2^82029775 is an apocalyptic number.

82029775 is a deficient number, since it is larger than the sum of its proper divisors (21207417).

82029775 is a wasteful number, since it uses less digits than its factorization.

82029775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49050 (or 49045 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 82029775 is about 9057.0290382664. The cubic root of 82029775 is about 434.5007263340.

The spelling of 82029775 in words is "eighty-two million, twenty-nine thousand, seven hundred seventy-five".