247653222452868 has 48 divisors (see below), whose sum is σ = 598727283678720. Its totient is φ = 79609167880704.

The previous prime is 247653222452827. The next prime is 247653222452869. The reversal of 247653222452868 is 868254222356742.

It is a super-2 number, since 2×247653222452868² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247653222452799 and 247653222452808.

It is not an unprimeable number, because it can be changed into a prime (247653222452869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467991988 + ... + 2468092331.

It is an arithmetic number, because the mean of its divisors is an integer number (12473485076640).

Almost surely, 2^{247653222452868} is an apocalyptic number.

It is an amenable number.

247653222452868 is an abundant number, since it is smaller than the sum of its proper divisors (351074061225852).

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

247653222452868 is a wasteful number, since it uses less digits than its factorization.

247653222452868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936084476 (or 4936084474 counting only the distinct ones).

The product of its digits is 619315200, while the sum is 66.

The spelling of 247653222452868 in words is "two hundred forty-seven trillion, six hundred fifty-three billion, two hundred twenty-two million, four hundred fifty-two thousand, eight hundred sixty-eight".