247799822272 has 28 divisors (see below), whose sum is σ = 491852982256. Its totient is φ = 123868362240.

The previous prime is 247799822239. The next prime is 247799822323. The reversal of 247799822272 is 272228997742.

It is a happy number.

It is a super-2 number, since 2×247799822272² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247799822272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238629 + ... + 743332.

Almost surely, 2^247799822272 is an apocalyptic number.

It is an amenable number.

247799822272 is a deficient number, since it is larger than the sum of its proper divisors (244053159984).

247799822272 is an equidigital number, since it uses as much as digits as its factorization.

247799822272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985916 (or 985906 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 61.

The spelling of 247799822272 in words is "two hundred forty-seven billion, seven hundred ninety-nine million, eight hundred twenty-two thousand, two hundred seventy-two".