82119258 has 40 divisors (see below), whose sum is σ = 198167508. Its totient is φ = 25266816.

The previous prime is 82119251. The next prime is 82119409. The reversal of 82119258 is 85291128.

It can be written as a sum of positive squares in 2 ways, for example, as 74183769 + 7935489 = 8613^2 + 2817^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82119251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17391 + ... + 21602.

Almost surely, 2^82119258 is an apocalyptic number.

82119258 is an abundant number, since it is smaller than the sum of its proper divisors (116048250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82119258 is a wasteful number, since it uses less digits than its factorization.

82119258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39020 (or 39011 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 82119258 is about 9061.9676671240. The cubic root of 82119258 is about 434.6586620728.

The spelling of 82119258 in words is "eighty-two million, one hundred nineteen thousand, two hundred fifty-eight".