7685906904 has 384 divisors, whose sum is σ = 24656486400. Its totient is φ = 2142443520.

The previous prime is 7685906857. The next prime is 7685906909. The reversal of 7685906904 is 4096095867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685906909) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60518889 + ... + 60519015.

It is an arithmetic number, because the mean of its divisors is an integer number (64209600).

Almost surely, 2^7685906904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7685906904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12328243200).

7685906904 is an abundant number, since it is smaller than the sum of its proper divisors (16970579496).

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

7685906904 is a wasteful number, since it uses less digits than its factorization.

7685906904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 7685906904 is about 87669.3042290174. The cubic root of 7685906904 is about 1973.4753519907.

The spelling of 7685906904 in words is "seven billion, six hundred eighty-five million, nine hundred six thousand, nine hundred four".