878047247623 has 16 divisors (see below), whose sum is σ = 1085434237440. Its totient is φ = 691658250336.

The previous prime is 878047247621. The next prime is 878047247629. The reversal of 878047247623 is 326742740878.

It is a cyclic number.

It is not a de Polignac number, because 878047247623 - 2¹ = 878047247621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878047247621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21232363 + ... + 21273676.

It is an arithmetic number, because the mean of its divisors is an integer number (67839639840).

Almost surely, 2^878047247623 is an apocalyptic number.

878047247623 is a deficient number, since it is larger than the sum of its proper divisors (207386989817).

878047247623 is a wasteful number, since it uses less digits than its factorization.

878047247623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42506286.

The product of its (nonzero) digits is 25288704, while the sum is 58.

The spelling of 878047247623 in words is "eight hundred seventy-eight billion, forty-seven million, two hundred forty-seven thousand, six hundred twenty-three".