247799755223 has 8 divisors (see below), whose sum is σ = 261133795296. Its totient is φ = 234679060000.

The previous prime is 247799755219. The next prime is 247799755249. The reversal of 247799755223 is 322557997742.

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 247799755223 - 2² = 247799755219 is a prime.

It is a super-2 number, since 2×247799755223² (a number of 24 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 (247799751223) 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, 53333828 + ... + 53338473.

It is an arithmetic number, because the mean of its divisors is an integer number (32641724412).

Almost surely, 2^247799755223 is an apocalyptic number.

247799755223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

247799755223 is a deficient number, since it is larger than the sum of its proper divisors (13334040073).

247799755223 is a wasteful number, since it uses less digits than its factorization.

247799755223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106672425.

The product of its digits is 66679200, while the sum is 62.

The spelling of 247799755223 in words is "two hundred forty-seven billion, seven hundred ninety-nine million, seven hundred fifty-five thousand, two hundred twenty-three".