247940346892 has 48 divisors (see below), whose sum is σ = 499911229440. Its totient is φ = 105396887232.

The previous prime is 247940346881. The next prime is 247940346919. The reversal of 247940346892 is 298643049742.

It is a happy number.

247940346892 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 2×247940346892² (a number of 24 digits) contains 22 as substring.

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, 21518709 + ... + 21530227.

It is an arithmetic number, because the mean of its divisors is an integer number (10414817280).

Almost surely, 2^247940346892 is an apocalyptic number.

It is an amenable number.

247940346892 is an abundant number, since it is smaller than the sum of its proper divisors (251970882548).

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

247940346892 is a wasteful number, since it uses less digits than its factorization.

247940346892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710 (or 17708 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 247940346892 in words is "two hundred forty-seven billion, nine hundred forty million, three hundred forty-six thousand, eight hundred ninety-two".