82431086 has 8 divisors (see below), whose sum is σ = 126522264. Its totient is φ = 40257000.

The previous prime is 82431073. The next prime is 82431109. The reversal of 82431086 is 68013428.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479165 + ... + 479336.

It is an arithmetic number, because the mean of its divisors is an integer number (15815283).

Almost surely, 2^82431086 is an apocalyptic number.

82431086 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

82431086 is a deficient number, since it is larger than the sum of its proper divisors (44091178).

82431086 is a wasteful number, since it uses less digits than its factorization.

82431086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958546.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 82431086 is about 9079.1566788992. The cubic root of 82431086 is about 435.2081375026.

The spelling of 82431086 in words is "eighty-two million, four hundred thirty-one thousand, eighty-six".