38888505994 has 8 divisors (see below), whose sum is σ = 62819894340. Its totient is φ = 17948541216.

The previous prime is 38888505989. The next prime is 38888506031. The reversal of 38888505994 is 49950588883.

It can be written as a sum of positive squares in 2 ways, for example, as 31369014769 + 7519491225 = 177113^2 + 86715^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 747855859 + ... + 747855910.

Almost surely, 2^38888505994 is an apocalyptic number.

38888505994 is a deficient number, since it is larger than the sum of its proper divisors (23931388346).

38888505994 is a wasteful number, since it uses less digits than its factorization.

38888505994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495711784.

The product of its (nonzero) digits is 99532800, while the sum is 67.

The spelling of 38888505994 in words is "thirty-eight billion, eight hundred eighty-eight million, five hundred five thousand, nine hundred ninety-four".