38047281075 has 18 divisors (see below), whose sum is σ = 68146908284. Its totient is φ = 20291883120.

The previous prime is 38047281071. The next prime is 38047281109. The reversal of 38047281075 is 57018274083.

38047281075 is a `hidden beast` number, since 38 + 0 + 472 + 81 + 0 + 75 = 666.

It is not a de Polignac number, because 38047281075 - 2² = 38047281071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38047281075.

It is not an unprimeable number, because it can be changed into a prime (38047281071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 84549289 + ... + 84549738.

Almost surely, 2^38047281075 is an apocalyptic number.

38047281075 is a deficient number, since it is larger than the sum of its proper divisors (30099627209).

38047281075 is a wasteful number, since it uses less digits than its factorization.

38047281075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169099043 (or 169099035 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 38047281075 in words is "thirty-eight billion, forty-seven million, two hundred eighty-one thousand, seventy-five".