8206427904 has 36 divisors (see below), whose sum is σ = 21841067976. Its totient is φ = 2735475712.

The previous prime is 8206427897. The next prime is 8206427909. The reversal of 8206427904 is 4097246028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8206427909) 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, 5341959 + ... + 5343494.

Almost surely, 2^8206427904 is an apocalyptic number.

It is an amenable number.

8206427904 is an abundant number, since it is smaller than the sum of its proper divisors (13634640072).

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

8206427904 is a wasteful number, since it uses less digits than its factorization.

8206427904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685472 (or 10685458 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 8206427904 is about 90589.3365910138. The cubic root of 8206427904 is about 2017.0564505715.

The spelling of 8206427904 in words is "eight billion, two hundred six million, four hundred twenty-seven thousand, nine hundred four".