8485477871 has 4 divisors (see below), whose sum is σ = 9138206952. Its totient is φ = 7832748792.

The previous prime is 8485477867. The next prime is 8485477907. The reversal of 8485477871 is 1787745848.

It is a happy number.

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 8485477871 - 2² = 8485477867 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 8485477871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8485477771) 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, 326364521 + ... + 326364546.

It is an arithmetic number, because the mean of its divisors is an integer number (2284551738).

Almost surely, 2^8485477871 is an apocalyptic number.

8485477871 is a deficient number, since it is larger than the sum of its proper divisors (652729081).

8485477871 is a wasteful number, since it uses less digits than its factorization.

8485477871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652729080.

The product of its digits is 14049280, while the sum is 59.

The square root of 8485477871 is about 92116.6536029181. The cubic root of 8485477871 is about 2039.6646468323.

The spelling of 8485477871 in words is "eight billion, four hundred eighty-five million, four hundred seventy-seven thousand, eight hundred seventy-one".