8540776947 has 8 divisors (see below), whose sum is σ = 11389608144. Its totient is φ = 5692898528.

The previous prime is 8540776889. The next prime is 8540777009. The reversal of 8540776947 is 7496770458.

8540776947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8540776947 - 2¹¹ = 8540774899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8540774947) 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, 217008 + ... + 253325.

It is an arithmetic number, because the mean of its divisors is an integer number (1423701018).

Almost surely, 2^8540776947 is an apocalyptic number.

8540776947 is a deficient number, since it is larger than the sum of its proper divisors (2848831197).

8540776947 is a wasteful number, since it uses less digits than its factorization.

8540776947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476389.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The square root of 8540776947 is about 92416.3240288208. The cubic root of 8540776947 is about 2044.0858253000.

The spelling of 8540776947 in words is "eight billion, five hundred forty million, seven hundred seventy-six thousand, nine hundred forty-seven".