38991627107 has 4 divisors (see below), whose sum is σ = 38993771376. Its totient is φ = 38989482840.

The previous prime is 38991627071. The next prime is 38991627109. The reversal of 38991627107 is 70172619983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38991627107 - 2³⁰ = 37917885283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38991627109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044623 + ... + 1081304.

It is an arithmetic number, because the mean of its divisors is an integer number (9748442844).

Almost surely, 2^38991627107 is an apocalyptic number.

38991627107 is a deficient number, since it is larger than the sum of its proper divisors (2144269).

38991627107 is a wasteful number, since it uses less digits than its factorization.

38991627107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144268.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 38991627107 in words is "thirty-eight billion, nine hundred ninety-one million, six hundred twenty-seven thousand, one hundred seven".