7826105243 has 8 divisors (see below), whose sum is σ = 8582270976. Its totient is φ = 7077389800.

The previous prime is 7826105179. The next prime is 7826105257. The reversal of 7826105243 is 3425016287.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7826105243 - 2⁶ = 7826105179 is a prime.

It is a super-2 number, since 2×7826105243² (a number of 21 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 = 7826105197 and 7826105206.

It is not an unprimeable number, because it can be changed into a prime (7826105743) 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 7 ways as a sum of consecutive naturals, for example, 1860371 + ... + 1864572.

It is an arithmetic number, because the mean of its divisors is an integer number (1072783872).

Almost surely, 2^7826105243 is an apocalyptic number.

7826105243 is a deficient number, since it is larger than the sum of its proper divisors (756165733).

7826105243 is a wasteful number, since it uses less digits than its factorization.

7826105243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725145.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 7826105243 is about 88465.2770469861. The cubic root of 7826105243 is about 1985.4024857511.

The spelling of 7826105243 in words is "seven billion, eight hundred twenty-six million, one hundred five thousand, two hundred forty-three".