7678888752 has 20 divisors (see below), whose sum is σ = 19837129400. Its totient is φ = 2559629568.

The previous prime is 7678888739. The next prime is 7678888753. The reversal of 7678888752 is 2578888767.

It is not an unprimeable number, because it can be changed into a prime (7678888753) 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, 79988377 + ... + 79988472.

It is an arithmetic number, because the mean of its divisors is an integer number (991856470).

Almost surely, 2^7678888752 is an apocalyptic number.

It is an amenable number.

7678888752 is an abundant number, since it is smaller than the sum of its proper divisors (12158240648).

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

7678888752 is a wasteful number, since it uses less digits than its factorization.

7678888752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159976860 (or 159976854 counting only the distinct ones).

The product of its digits is 84295680, while the sum is 66.

The square root of 7678888752 is about 87629.2688090001. The cubic root of 7678888752 is about 1972.8744960815.

The spelling of 7678888752 in words is "seven billion, six hundred seventy-eight million, eight hundred eighty-eight thousand, seven hundred fifty-two".