104138066774747 has 4 divisors (see below), whose sum is σ = 105903118754040. Its totient is φ = 102373014795456.

The previous prime is 104138066774743. The next prime is 104138066774779. The reversal of 104138066774747 is 747477660831401.

It is a happy number.

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 104138066774747 - 2² = 104138066774743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104138066774743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882525989558 + ... + 882525989675.

It is an arithmetic number, because the mean of its divisors is an integer number (26475779688510).

Almost surely, 2^{104138066774747} is an apocalyptic number.

104138066774747 is a deficient number, since it is larger than the sum of its proper divisors (1765051979293).

104138066774747 is an equidigital number, since it uses as much as digits as its factorization.

104138066774747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765051979292.

The product of its (nonzero) digits is 132765696, while the sum is 65.

The spelling of 104138066774747 in words is "one hundred four trillion, one hundred thirty-eight billion, sixty-six million, seven hundred seventy-four thousand, seven hundred forty-seven".