8087204947 has 4 divisors (see below), whose sum is σ = 8120762056. Its totient is φ = 8053647840.

The previous prime is 8087204927. The next prime is 8087204981. The reversal of 8087204947 is 7494027808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8087204947 - 2⁷ = 8087204819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8087204947.

It is not an unprimeable number, because it can be changed into a prime (8087204927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16778193 + ... + 16778674.

It is an arithmetic number, because the mean of its divisors is an integer number (2030190514).

Almost surely, 2^8087204947 is an apocalyptic number.

8087204947 is a deficient number, since it is larger than the sum of its proper divisors (33557109).

8087204947 is a wasteful number, since it uses less digits than its factorization.

8087204947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33557108.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 8087204947 is about 89928.8882784614. Note that the first 3 decimals coincide. The cubic root of 8087204947 is about 2007.2408324532.

The spelling of 8087204947 in words is "eight billion, eighty-seven million, two hundred four thousand, nine hundred forty-seven".