82490493831 has 8 divisors (see below), whose sum is σ = 109990032384. Its totient is φ = 54992308920.

The previous prime is 82490493821. The next prime is 82490493901. The reversal of 82490493831 is 13839409428.

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

It is not a de Polignac number, because 82490493831 - 2⁷ = 82490493703 is a prime.

It is a super-2 number, since 2×82490493831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82490493821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186471 + ... + 446936.

It is an arithmetic number, because the mean of its divisors is an integer number (13748754048).

Almost surely, 2^82490493831 is an apocalyptic number.

82490493831 is a deficient number, since it is larger than the sum of its proper divisors (27499538553).

82490493831 is a wasteful number, since it uses less digits than its factorization.

82490493831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676821.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 82490493831 in words is "eighty-two billion, four hundred ninety million, four hundred ninety-three thousand, eight hundred thirty-one".