381835078672 has 20 divisors (see below), whose sum is σ = 778742595280. Its totient is φ = 180869247648.

The previous prime is 381835078613. The next prime is 381835078727. The reversal of 381835078672 is 276870538183.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 628017918 + ... + 628018525.

It is an arithmetic number, because the mean of its divisors is an integer number (38937129764).

Almost surely, 2^381835078672 is an apocalyptic number.

It is an amenable number.

381835078672 is an abundant number, since it is smaller than the sum of its proper divisors (396907516608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381835078672 is a wasteful number, since it uses less digits than its factorization.

381835078672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256036470 (or 1256036464 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 381835078672 in words is "three hundred eighty-one billion, eight hundred thirty-five million, seventy-eight thousand, six hundred seventy-two".