387001734705 has 12 divisors (see below), whose sum is σ = 670803006900. Its totient is φ = 206400925152.

The previous prime is 387001734701. The next prime is 387001734727. The reversal of 387001734705 is 507437100783.

387001734705 is a `hidden beast` number, since 3 + 8 + 7 + 0 + 0 + 173 + 470 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71731837584 + 315269897121 = 267828^2 + 561489^2 .

It is not a de Polignac number, because 387001734705 - 2² = 387001734701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 8600038549 = 387001734705 / (3 + 8 + 7 + 0 + 0 + 1 + 7 + 3 + 4 + 7 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (387001734701) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4300019230 + ... + 4300019319.

It is an arithmetic number, because the mean of its divisors is an integer number (55900250575).

Almost surely, 2^387001734705 is an apocalyptic number.

It is an amenable number.

387001734705 is a deficient number, since it is larger than the sum of its proper divisors (283801272195).

387001734705 is a wasteful number, since it uses less digits than its factorization.

387001734705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600038560 (or 8600038557 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 387001734705 in words is "three hundred eighty-seven billion, one million, seven hundred thirty-four thousand, seven hundred five".