38977369810105 has 4 divisors (see below), whose sum is σ = 46772843772132. Its totient is φ = 31181895848080.

The previous prime is 38977369810091. The next prime is 38977369810147. The reversal of 38977369810105 is 50101896377983.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9042596282281 + 29934773527824 = 3007091^2 + 5471268^2 .

It is not a de Polignac number, because 38977369810105 - 2⁵ = 38977369810073 is a prime.

It is a super-2 number, since 2×38977369810105² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 3897736981006 + ... + 3897736981015.

It is an arithmetic number, because the mean of its divisors is an integer number (11693210943033).

Almost surely, 2^{38977369810105} is an apocalyptic number.

It is an amenable number.

38977369810105 is a deficient number, since it is larger than the sum of its proper divisors (7795473962027).

38977369810105 is an equidigital number, since it uses as much as digits as its factorization.

38977369810105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7795473962026.

The product of its (nonzero) digits is 68584320, while the sum is 67.

The spelling of 38977369810105 in words is "thirty-eight trillion, nine hundred seventy-seven billion, three hundred sixty-nine million, eight hundred ten thousand, one hundred five".