387673584722 has 6 divisors (see below), whose sum is σ = 581511697893. Its totient is φ = 193836352092.

The previous prime is 387673584713. The next prime is 387673584731. The reversal of 387673584722 is 227485376783.

It is an interprime number because it is at equal distance from previous prime (387673584713) and next prime (387673584731).

It can be written as a sum of positive squares in 2 ways, for example, as 245816648401 + 141856936321 = 495799^2 + 376639^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=440269.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 660404 + ... + 1100672.

Almost surely, 2^387673584722 is an apocalyptic number.

387673584722 is a deficient number, since it is larger than the sum of its proper divisors (193838113171).

387673584722 is an frugal number, since it uses more digits than its factorization.

387673584722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880540 (or 440271 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 62.

The spelling of 387673584722 in words is "three hundred eighty-seven billion, six hundred seventy-three million, five hundred eighty-four thousand, seven hundred twenty-two".