8427929904 has 40 divisors (see below), whose sum is σ = 24191281520. Its totient is φ = 2809309824.

The previous prime is 8427929897. The next prime is 8427929971. The reversal of 8427929904 is 4099297248.

8427929904 is a `hidden beast` number, since 84 + 279 + 299 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9754117 + ... + 9754980.

It is an arithmetic number, because the mean of its divisors is an integer number (604782038).

Almost surely, 2^8427929904 is an apocalyptic number.

It is an amenable number.

8427929904 is an abundant number, since it is smaller than the sum of its proper divisors (15763351616).

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

8427929904 is a wasteful number, since it uses less digits than its factorization.

8427929904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19509114 (or 19509102 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 8427929904 is about 91803.7575701561. The cubic root of 8427929904 is about 2035.0432253414.

The spelling of 8427929904 in words is "eight billion, four hundred twenty-seven million, nine hundred twenty-nine thousand, nine hundred four".