38116557558778 has 8 divisors (see below), whose sum is σ = 60538062005172. Its totient is φ = 17937203557056.

The previous prime is 38116557558763. The next prime is 38116557558811. The reversal of 38116557558778 is 87785575561183.

It can be written as a sum of positive squares in 2 ways, for example, as 34596194713609 + 3520362845169 = 5881853^2 + 1876263^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560537611125 + ... + 560537611192.

Almost surely, 2^{38116557558778} is an apocalyptic number.

38116557558778 is a deficient number, since it is larger than the sum of its proper divisors (22421504446394).

38116557558778 is a wasteful number, since it uses less digits than its factorization.

38116557558778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121075222336.

The product of its digits is 1975680000, while the sum is 76.

The spelling of 38116557558778 in words is "thirty-eight trillion, one hundred sixteen billion, five hundred fifty-seven million, five hundred fifty-eight thousand, seven hundred seventy-eight".