82532775 has 24 divisors (see below), whose sum is σ = 146952400. Its totient is φ = 40631040.

The previous prime is 82532771. The next prime is 82532777. The reversal of 82532775 is 57723528.

It is not a de Polignac number, because 82532775 - 2² = 82532771 is a prime.

It is a super-3 number, since 3×82532775³ (a number of 25 digits) contains 333 as substring.

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 (82532771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41350 + ... + 43299.

Almost surely, 2^82532775 is an apocalyptic number.

82532775 is a deficient number, since it is larger than the sum of its proper divisors (64419625).

82532775 is a wasteful number, since it uses less digits than its factorization.

82532775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84675 (or 84670 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 82532775 is about 9084.7550875079. The cubic root of 82532775 is about 435.3870250903.

The spelling of 82532775 in words is "eighty-two million, five hundred thirty-two thousand, seven hundred seventy-five".