7678888704 has 108 divisors (see below), whose sum is σ = 22515784200. Its totient is φ = 2516201472.

The previous prime is 7678888687. The next prime is 7678888739. The reversal of 7678888704 is 4078888767.

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 11 ways as a sum of consecutive naturals, for example, 107692 + ... + 164180.

Almost surely, 2^7678888704 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 7678888704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11257892100).

7678888704 is an abundant number, since it is smaller than the sum of its proper divisors (14836895496).

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

7678888704 is a wasteful number, since it uses less digits than its factorization.

7678888704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56570 (or 56553 counting only the distinct ones).

The product of its (nonzero) digits is 33718272, while the sum is 63.

The square root of 7678888704 is about 87629.2685351190. The cubic root of 7678888704 is about 1972.8744919707.

Adding to 7678888704 its sum of digits (63), we get a palindrome (7678888767).

The spelling of 7678888704 in words is "seven billion, six hundred seventy-eight million, eight hundred eighty-eight thousand, seven hundred four".