387121276868 has 6 divisors (see below), whose sum is σ = 677462234526. Its totient is φ = 193560638432.

The previous prime is 387121276837. The next prime is 387121276877. The reversal of 387121276868 is 868672121783.

It can be written as a sum of positive squares in only one way, i.e., 342683793664 + 44437483204 = 585392^2 + 210802^2 .

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 as a sum of consecutive naturals, namely, 48390159605 + ... + 48390159612.

It is an arithmetic number, because the mean of its divisors is an integer number (112910372421).

Almost surely, 2^387121276868 is an apocalyptic number.

It is an amenable number.

387121276868 is a deficient number, since it is larger than the sum of its proper divisors (290340957658).

387121276868 is a wasteful number, since it uses less digits than its factorization.

387121276868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96780319221 (or 96780319219 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 59.

The spelling of 387121276868 in words is "three hundred eighty-seven billion, one hundred twenty-one million, two hundred seventy-six thousand, eight hundred sixty-eight".