247115988426 has 32 divisors (see below), whose sum is σ = 534304848960. Its totient is φ = 75927528576.

The previous prime is 247115988401. The next prime is 247115988437. The reversal of 247115988426 is 624889511742.

247115988426 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 2×247115988426² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29288811 + ... + 29297246.

It is an arithmetic number, because the mean of its divisors is an integer number (16697026530).

Almost surely, 2^247115988426 is an apocalyptic number.

247115988426 is an abundant number, since it is smaller than the sum of its proper divisors (287188860534).

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

247115988426 is a wasteful number, since it uses less digits than its factorization.

247115988426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58586118.

The product of its digits is 7741440, while the sum is 57.

The spelling of 247115988426 in words is "two hundred forty-seven billion, one hundred fifteen million, nine hundred eighty-eight thousand, four hundred twenty-six".