82312158 has 8 divisors (see below), whose sum is σ = 164624328. Its totient is φ = 27437384.

The previous prime is 82312151. The next prime is 82312159. The reversal of 82312158 is 85121328.

It is a sphenic number, since it is the product of 3 distinct primes.

82312158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82312151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6859341 + ... + 6859352.

It is an arithmetic number, because the mean of its divisors is an integer number (20578041).

Almost surely, 2^82312158 is an apocalyptic number.

82312158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82312158 is a wasteful number, since it uses less digits than its factorization.

82312158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13718698.

The product of its digits is 3840, while the sum is 30.

The square root of 82312158 is about 9072.6048078818. The cubic root of 82312158 is about 434.9987369497.

The spelling of 82312158 in words is "eighty-two million, three hundred twelve thousand, one hundred fifty-eight".