8874687406820 has 12 divisors (see below), whose sum is σ = 18636843554364. Its totient is φ = 3549874962720.

The previous prime is 8874687406787. The next prime is 8874687406831. The reversal of 8874687406820 is 286047864788.

It can be written as a sum of positive squares in 2 ways, for example, as 5815322604004 + 3059364802816 = 2411498^2 + 1749104^2 .

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, 221867185151 + ... + 221867185190.

It is an arithmetic number, because the mean of its divisors is an integer number (1553070296197).

Almost surely, 2^{8874687406820} is an apocalyptic number.

It is an amenable number.

8874687406820 is an abundant number, since it is smaller than the sum of its proper divisors (9762156147544).

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

8874687406820 is a wasteful number, since it uses less digits than its factorization.

8874687406820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443734370350 (or 443734370348 counting only the distinct ones).

The product of its (nonzero) digits is 231211008, while the sum is 68.

The spelling of 8874687406820 in words is "eight trillion, eight hundred seventy-four billion, six hundred eighty-seven million, four hundred six thousand, eight hundred twenty".