8554521947 has 8 divisors (see below), whose sum is σ = 8585338176. Its totient is φ = 8523741832.

The previous prime is 8554521929. The next prime is 8554521949. The reversal of 8554521947 is 7491254558.

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

It is a cyclic number.

It is not a de Polignac number, because 8554521947 - 2⁶ = 8554521883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8554521895 and 8554521904.

It is not an unprimeable number, because it can be changed into a prime (8554521949) 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, 520388 + ... + 536574.

It is an arithmetic number, because the mean of its divisors is an integer number (1073167272).

Almost surely, 2^8554521947 is an apocalyptic number.

8554521947 is a deficient number, since it is larger than the sum of its proper divisors (30816229).

8554521947 is a wasteful number, since it uses less digits than its factorization.

8554521947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18057.

The product of its digits is 2016000, while the sum is 50.

The square root of 8554521947 is about 92490.6587012980. The cubic root of 8554521947 is about 2045.1817795024.

The spelling of 8554521947 in words is "eight billion, five hundred fifty-four million, five hundred twenty-one thousand, nine hundred forty-seven".