8875821047 has 8 divisors (see below), whose sum is σ = 9042566016. Its totient is φ = 8710084152.

The previous prime is 8875821037. The next prime is 8875821077. The reversal of 8875821047 is 7401285788.

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

It is not a de Polignac number, because 8875821047 - 2¹⁸ = 8875558903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8875820986 and 8875821004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8875821037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234233 + ... + 269474.

It is an arithmetic number, because the mean of its divisors is an integer number (1130320752).

Almost surely, 2^8875821047 is an apocalyptic number.

8875821047 is a deficient number, since it is larger than the sum of its proper divisors (166744969).

8875821047 is a wasteful number, since it uses less digits than its factorization.

8875821047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504037.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The square root of 8875821047 is about 94211.5759713211. The cubic root of 8875821047 is about 2070.4727188646.

The spelling of 8875821047 in words is "eight billion, eight hundred seventy-five million, eight hundred twenty-one thousand, forty-seven".