382677961565 has 4 divisors (see below), whose sum is σ = 459213553884. Its totient is φ = 306142369248.

The previous prime is 382677961537. The next prime is 382677961613. The reversal of 382677961565 is 565169776283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82858198201 + 299819763364 = 287851^2 + 547558^2 .

It is a cyclic number.

It is not a de Polignac number, because 382677961565 - 2²² = 382673767261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38267796152 + ... + 38267796161.

It is an arithmetic number, because the mean of its divisors is an integer number (114803388471).

Almost surely, 2^382677961565 is an apocalyptic number.

It is an amenable number.

382677961565 is a deficient number, since it is larger than the sum of its proper divisors (76535592319).

382677961565 is an equidigital number, since it uses as much as digits as its factorization.

382677961565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76535592318.

The product of its digits is 114307200, while the sum is 65.

The spelling of 382677961565 in words is "three hundred eighty-two billion, six hundred seventy-seven million, nine hundred sixty-one thousand, five hundred sixty-five".