387265122738 has 90 divisors (see below), whose sum is σ = 939896148807. Its totient is φ = 119126816640.

The previous prime is 387265122731. The next prime is 387265122773. The reversal of 387265122738 is 837221562783.

387265122738 is a `hidden beast` number, since 3 + 8 + 72 + 6 + 512 + 27 + 38 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 43173775089 + 344091347649 = 207783^2 + 586593^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=440037.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (387265122731) 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 44 ways as a sum of consecutive naturals, for example, 102966778 + ... + 102970538.

Almost surely, 2^387265122738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387265122738

387265122738 is an abundant number, since it is smaller than the sum of its proper divisors (552631026069).

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

387265122738 is an frugal number, since it uses more digits than its factorization.

387265122738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562 (or 3779 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 387265122738 in words is "three hundred eighty-seven billion, two hundred sixty-five million, one hundred twenty-two thousand, seven hundred thirty-eight".