8708479487 has 4 divisors (see below), whose sum is σ = 8709370176. Its totient is φ = 8707588800.

The previous prime is 8708479457. The next prime is 8708479531. The reversal of 8708479487 is 7849748078.

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 8708479487 - 2⁸ = 8708479231 is a prime.

It is a super-2 number, since 2×8708479487² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8708479427) 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, 430514 + ... + 450287.

It is an arithmetic number, because the mean of its divisors is an integer number (2177342544).

Almost surely, 2^8708479487 is an apocalyptic number.

8708479487 is a deficient number, since it is larger than the sum of its proper divisors (890689).

8708479487 is an equidigital number, since it uses as much as digits as its factorization.

8708479487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890688.

The product of its (nonzero) digits is 25288704, while the sum is 62.

The square root of 8708479487 is about 93319.2342821136. The cubic root of 8708479487 is about 2057.3780925976.

The spelling of 8708479487 in words is "eight billion, seven hundred eight million, four hundred seventy-nine thousand, four hundred eighty-seven".