8715486947 has 4 divisors (see below), whose sum is σ = 8717227776. Its totient is φ = 8713746120.

The previous prime is 8715486929. The next prime is 8715486959. The reversal of 8715486947 is 7496845178.

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 8715486947 - 2¹⁸ = 8715224803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8715486907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862883 + ... + 872924.

It is an arithmetic number, because the mean of its divisors is an integer number (2179306944).

Almost surely, 2^8715486947 is an apocalyptic number.

8715486947 is a deficient number, since it is larger than the sum of its proper divisors (1740829).

8715486947 is a wasteful number, since it uses less digits than its factorization.

8715486947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740828.

The product of its digits is 13547520, while the sum is 59.

The square root of 8715486947 is about 93356.7723681576. The cubic root of 8715486947 is about 2057.9297820730.

The spelling of 8715486947 in words is "eight billion, seven hundred fifteen million, four hundred eighty-six thousand, nine hundred forty-seven".