82675557 has 24 divisors (see below), whose sum is σ = 124372248. Its totient is φ = 52876800.

The previous prime is 82675511. The next prime is 82675561. The reversal of 82675557 is 75557628.

82675557 is a `hidden beast` number, since 8 + 26 + 75 + 557 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15992001 + 66683556 = 3999^2 + 8166^2 .

It is not a de Polignac number, because 82675557 - 2⁷ = 82675429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82675577) 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, 20673 + ... + 24345.

It is an arithmetic number, because the mean of its divisors is an integer number (5182177).

Almost surely, 2^82675557 is an apocalyptic number.

It is an amenable number.

82675557 is a deficient number, since it is larger than the sum of its proper divisors (41696691).

82675557 is a wasteful number, since it uses less digits than its factorization.

82675557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781 (or 3778 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 82675557 is about 9092.6100213305. The cubic root of 82675557 is about 435.6379541538.

It can be divided in two parts, 8267 and 5557, that added together give a cube (13824 = 24³).

The spelling of 82675557 in words is "eighty-two million, six hundred seventy-five thousand, five hundred fifty-seven".