82855975 has 6 divisors (see below), whose sum is σ = 102741440. Its totient is φ = 66284760.

The previous prime is 82855973. The next prime is 82856003. The reversal of 82855975 is 57955828.

It is not a de Polignac number, because 82855975 - 2¹ = 82855973 is a prime.

It is a super-2 number, since 2×82855975² = 13730225186401250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82855973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1657095 + ... + 1657144.

Almost surely, 2^82855975 is an apocalyptic number.

82855975 is a deficient number, since it is larger than the sum of its proper divisors (19885465).

82855975 is a wasteful number, since it uses less digits than its factorization.

82855975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314249 (or 3314244 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 49.

The square root of 82855975 is about 9102.5257483843. The cubic root of 82855975 is about 435.9546129423.

The spelling of 82855975 in words is "eighty-two million, eight hundred fifty-five thousand, nine hundred seventy-five".