8217042504 has 32 divisors (see below), whose sum is σ = 22410116640. Its totient is φ = 2490012800.

The previous prime is 8217042487. The next prime is 8217042517. The reversal of 8217042504 is 4052407128.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15562317 + ... + 15562844.

It is an arithmetic number, because the mean of its divisors is an integer number (700316145).

Almost surely, 2^8217042504 is an apocalyptic number.

It is an amenable number.

8217042504 is an abundant number, since it is smaller than the sum of its proper divisors (14193074136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8217042504 is a wasteful number, since it uses less digits than its factorization.

8217042504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31125181 (or 31125177 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 8217042504 is about 90647.9040243071. The cubic root of 8217042504 is about 2017.9257294365.

The spelling of 8217042504 in words is "eight billion, two hundred seventeen million, forty-two thousand, five hundred four".