247473674864 has 160 divisors (see below), whose sum is σ = 576610594560. Its totient is φ = 101647872000.

The previous prime is 247473674843. The next prime is 247473674867. The reversal of 247473674864 is 468476374742.

247473674864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247473674864² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247473674797 and 247473674806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247473674867) 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 31 ways as a sum of consecutive naturals, for example, 38358839 + ... + 38365289.

It is an arithmetic number, because the mean of its divisors is an integer number (3603816216).

Almost surely, 2^247473674864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247473674864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288305297280).

247473674864 is an abundant number, since it is smaller than the sum of its proper divisors (329136919696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247473674864 is a wasteful number, since it uses less digits than its factorization.

247473674864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079 (or 7073 counting only the distinct ones).

The product of its digits is 151732224, while the sum is 62.

The spelling of 247473674864 in words is "two hundred forty-seven billion, four hundred seventy-three million, six hundred seventy-four thousand, eight hundred sixty-four".