38871927245 has 8 divisors (see below), whose sum is σ = 46687635960. Its totient is φ = 31069992960.

The previous prime is 38871927197. The next prime is 38871927251. The reversal of 38871927245 is 54272917883.

It can be written as a sum of positive squares in 4 ways, for example, as 35736484 + 38836190761 = 5978^2 + 197069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38871927245 - 2¹² = 38871923149 is a prime.

It is a super-2 number, since 2×38871927245² (a number of 22 digits) contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3437396 + ... + 3448685.

It is an arithmetic number, because the mean of its divisors is an integer number (5835954495).

Almost surely, 2^38871927245 is an apocalyptic number.

It is an amenable number.

38871927245 is a deficient number, since it is larger than the sum of its proper divisors (7815708715).

38871927245 is a wasteful number, since it uses less digits than its factorization.

38871927245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887215.

The product of its digits is 6773760, while the sum is 56.

The spelling of 38871927245 in words is "thirty-eight billion, eight hundred seventy-one million, nine hundred twenty-seven thousand, two hundred forty-five".