82990383317 has 8 divisors (see below), whose sum is σ = 84907108440. Its totient is φ = 81086653440.

The previous prime is 82990383283. The next prime is 82990383337. The reversal of 82990383317 is 71338309928.

It can be written as a sum of positive squares in 4 ways, for example, as 14160762001 + 68829621316 = 118999^2 + 262354^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82990383317 - 2⁶ = 82990383253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82990383337) 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, 3235892 + ... + 3261437.

It is an arithmetic number, because the mean of its divisors is an integer number (10613388555).

Almost surely, 2^82990383317 is an apocalyptic number.

It is an amenable number.

82990383317 is a deficient number, since it is larger than the sum of its proper divisors (1916725123).

82990383317 is a wasteful number, since it uses less digits than its factorization.

82990383317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497623.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 82990383317 in words is "eighty-two billion, nine hundred ninety million, three hundred eighty-three thousand, three hundred seventeen".