247390244898 has 8 divisors (see below), whose sum is σ = 494780489808. Its totient is φ = 82463414964.

The previous prime is 247390244861. The next prime is 247390244921. The reversal of 247390244898 is 898442093742.

It is a happy number.

247390244898 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

247390244898 is an admirable number.

It is a super-2 number, since 2×247390244898² (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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20615853736 + ... + 20615853747.

It is an arithmetic number, because the mean of its divisors is an integer number (61847561226).

Almost surely, 2^247390244898 is an apocalyptic number.

247390244898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

247390244898 is a wasteful number, since it uses less digits than its factorization.

247390244898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41231707488.

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 247390244898 in words is "two hundred forty-seven billion, three hundred ninety million, two hundred forty-four thousand, eight hundred ninety-eight".