105470712647 has 4 divisors (see below), whose sum is σ = 107044902456. Its totient is φ = 103896522840.

The previous prime is 105470712593. The next prime is 105470712671. The reversal of 105470712647 is 746217074501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746217074501 = 499 ⋅1495424999.

It is a cyclic number.

It is not a de Polignac number, because 105470712647 - 2⁶ = 105470712583 is a prime.

It is a super-2 number, since 2×105470712647² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105470712598 and 105470712607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105470712947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787094804 + ... + 787094937.

It is an arithmetic number, because the mean of its divisors is an integer number (26761225614).

Almost surely, 2^105470712647 is an apocalyptic number.

105470712647 is a deficient number, since it is larger than the sum of its proper divisors (1574189809).

105470712647 is an equidigital number, since it uses as much as digits as its factorization.

105470712647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574189808.

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 105470712647 in words is "one hundred five billion, four hundred seventy million, seven hundred twelve thousand, six hundred forty-seven".