8474481787 has 4 divisors (see below), whose sum is σ = 8528459536. Its totient is φ = 8420504040.

The previous prime is 8474481773. The next prime is 8474481797. The reversal of 8474481787 is 7871844748.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8474481787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8474481797) 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, 26988639 + ... + 26988952.

It is an arithmetic number, because the mean of its divisors is an integer number (2132114884).

Almost surely, 2^8474481787 is an apocalyptic number.

8474481787 is a deficient number, since it is larger than the sum of its proper divisors (53977749).

8474481787 is a wasteful number, since it uses less digits than its factorization.

8474481787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53977748.

The product of its digits is 11239424, while the sum is 58.

The square root of 8474481787 is about 92056.9486079134. The cubic root of 8474481787 is about 2038.7832186173.

The spelling of 8474481787 in words is "eight billion, four hundred seventy-four million, four hundred eighty-one thousand, seven hundred eighty-seven".