247453085879 has 8 divisors (see below), whose sum is σ = 261665577600. Its totient is φ = 233629977600.

The previous prime is 247453085863. The next prime is 247453085911. The reversal of 247453085879 is 978580354742.

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 247453085879 - 2⁴ = 247453085863 is a prime.

It is a super-2 number, since 2×247453085879² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247453085809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97344554 + ... + 97347095.

It is an arithmetic number, because the mean of its divisors is an integer number (32708197200).

Almost surely, 2^247453085879 is an apocalyptic number.

247453085879 is a deficient number, since it is larger than the sum of its proper divisors (14212491721).

247453085879 is a wasteful number, since it uses less digits than its factorization.

247453085879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194691721.

The product of its (nonzero) digits is 67737600, while the sum is 62.

The spelling of 247453085879 in words is "two hundred forty-seven billion, four hundred fifty-three million, eighty-five thousand, eight hundred seventy-nine".