26472730247 has 8 divisors (see below), whose sum is σ = 26653756800. Its totient is φ = 26292313080.

The previous prime is 26472730241. The next prime is 26472730261. The reversal of 26472730247 is 74203727462.

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 26472730247 - 2⁶ = 26472730183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26472730198 and 26472730207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26472730241) 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, 64997 + ... + 239102.

It is an arithmetic number, because the mean of its divisors is an integer number (3331719600).

Almost surely, 2^26472730247 is an apocalyptic number.

26472730247 is a deficient number, since it is larger than the sum of its proper divisors (181026553).

26472730247 is a wasteful number, since it uses less digits than its factorization.

26472730247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304693.

The product of its (nonzero) digits is 790272, while the sum is 44.

The spelling of 26472730247 in words is "twenty-six billion, four hundred seventy-two million, seven hundred thirty thousand, two hundred forty-seven".