382771657997 has 2 divisors, whose sum is σ = 382771657998.
Its totient is φ = 382771657996.
The previous prime is 382771657987. The next prime is 382771658047. The reversal of 382771657997 is 799756177283.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 368019369316 + 14752288681 = 606646^2 + 121459^2
It is a cyclic number.
It is not a de Polignac number, because 382771657997 - 210 = 382771656973 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 382771657997.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (382771657907) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191385828998 + 191385828999.
It is an arithmetic number, because the mean of its divisors is an integer number (191385828999).
Almost surely, 2382771657997 is an apocalyptic number.
It is an amenable number.
382771657997 is a deficient number, since it is larger than the sum of its proper divisors (1).
382771657997 is an equidigital number, since it uses as much as digits as its factorization.
382771657997 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 280052640, while the sum is 71.
The spelling of 382771657997 in words is "three hundred eighty-two billion, seven hundred seventy-one million, six hundred fifty-seven thousand, nine hundred ninety-seven".