247380806486 has 16 divisors (see below), whose sum is σ = 404814723840. Its totient is φ = 112443107880.

The previous prime is 247380806479. The next prime is 247380806503. The reversal of 247380806486 is 684608083742.

247380806486 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 2×247380806486² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1012895 + ... + 1233173.

It is an arithmetic number, because the mean of its divisors is an integer number (25300920240).

Almost surely, 2^247380806486 is an apocalyptic number.

247380806486 is a deficient number, since it is larger than the sum of its proper divisors (157433917354).

247380806486 is a wasteful number, since it uses less digits than its factorization.

247380806486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271339.

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 247380806486 in words is "two hundred forty-seven billion, three hundred eighty million, eight hundred six thousand, four hundred eighty-six".