247228554839 has 12 divisors (see below), whose sum is σ = 304509601584. Its totient is φ = 199444883904.

The previous prime is 247228554827. The next prime is 247228554841. The reversal of 247228554839 is 938455822742.

It is not a de Polignac number, because 247228554839 - 2⁸ = 247228554583 is a prime.

It is a super-3 number, since 3×247228554839³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247228554899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148395659 + ... + 148397324.

It is an arithmetic number, because the mean of its divisors is an integer number (25375800132).

Almost surely, 2^247228554839 is an apocalyptic number.

247228554839 is a deficient number, since it is larger than the sum of its proper divisors (57281046745).

247228554839 is a wasteful number, since it uses less digits than its factorization.

247228554839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296793014 (or 296793007 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 59.

The spelling of 247228554839 in words is "two hundred forty-seven billion, two hundred twenty-eight million, five hundred fifty-four thousand, eight hundred thirty-nine".