38758906947 has 16 divisors (see below), whose sum is σ = 52895766528. Its totient is φ = 25231009440.

The previous prime is 38758906919. The next prime is 38758906969. The reversal of 38758906947 is 74960985783.

It is not a de Polignac number, because 38758906947 - 2⁸ = 38758906691 is a prime.

It is a super-3 number, since 3×38758906947³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38758906997) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 419998 + ... + 503900.

It is an arithmetic number, because the mean of its divisors is an integer number (3305985408).

Almost surely, 2^38758906947 is an apocalyptic number.

38758906947 is a deficient number, since it is larger than the sum of its proper divisors (14136859581).

38758906947 is a wasteful number, since it uses less digits than its factorization.

38758906947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87530.

The product of its (nonzero) digits is 91445760, while the sum is 66.

The spelling of 38758906947 in words is "thirty-eight billion, seven hundred fifty-eight million, nine hundred six thousand, nine hundred forty-seven".