8537821405004 has 12 divisors (see below), whose sum is σ = 15727565746200. Its totient is φ = 4044231191808.

The previous prime is 8537821404991. The next prime is 8537821405013. The reversal of 8537821405004 is 4005041287358.

It is a self number, because there is not a number n which added to its sum of digits gives 8537821405004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56169877589 + ... + 56169877740.

It is an arithmetic number, because the mean of its divisors is an integer number (1310630478850).

Almost surely, 2^{8537821405004} is an apocalyptic number.

It is an amenable number.

8537821405004 is a deficient number, since it is larger than the sum of its proper divisors (7189744341196).

8537821405004 is a wasteful number, since it uses less digits than its factorization.

8537821405004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112339755352 (or 112339755350 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 8537821405004 in words is "eight trillion, five hundred thirty-seven billion, eight hundred twenty-one million, four hundred five thousand, four".