247283428884479 has 8 divisors (see below), whose sum is σ = 270279936049200. Its totient is φ = 224854736711616.

The previous prime is 247283428884473. The next prime is 247283428884511. The reversal of 247283428884479 is 974488824382742.

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 247283428884479 - 2⁴ = 247283428884463 is a prime.

It is a super-2 number, since 2×247283428884479² (a number of 30 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 (247283428884473) 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, 141953747054 + ... + 141953748795.

It is an arithmetic number, because the mean of its divisors is an integer number (33784992006150).

Almost surely, 2^{247283428884479} is an apocalyptic number.

247283428884479 is a deficient number, since it is larger than the sum of its proper divisors (22996507164721).

247283428884479 is a wasteful number, since it uses less digits than its factorization.

247283428884479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283907495929.

The product of its digits is 11098128384, while the sum is 80.

The spelling of 247283428884479 in words is "two hundred forty-seven trillion, two hundred eighty-three billion, four hundred twenty-eight million, eight hundred eighty-four thousand, four hundred seventy-nine".