382767981770 has 8 divisors (see below), whose sum is σ = 688982367204. Its totient is φ = 153107192704.

The previous prime is 382767981737. The next prime is 382767981809. The reversal of 382767981770 is 77189767283.

It can be written as a sum of positive squares in 2 ways, for example, as 324659504521 + 58108477249 = 569789^2 + 241057^2 .

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

It is a super-2 number, since 2×382767981770² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 382767981697 and 382767981706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19138399079 + ... + 19138399098.

Almost surely, 2^382767981770 is an apocalyptic number.

382767981770 is a deficient number, since it is larger than the sum of its proper divisors (306214385434).

382767981770 is a wasteful number, since it uses less digits than its factorization.

382767981770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38276798184.

The product of its (nonzero) digits is 49787136, while the sum is 65.

The spelling of 382767981770 in words is "three hundred eighty-two billion, seven hundred sixty-seven million, nine hundred eighty-one thousand, seven hundred seventy".