8078789312 has 56 divisors (see below), whose sum is σ = 17509175040. Its totient is φ = 3667887360.

The previous prime is 8078789287. The next prime is 8078789333. The reversal of 8078789312 is 2139878708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640733 + ... + 653219.

It is an arithmetic number, because the mean of its divisors is an integer number (312663840).

Almost surely, 2^8078789312 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 8078789312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8754587520).

8078789312 is an abundant number, since it is smaller than the sum of its proper divisors (9430385728).

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

8078789312 is a wasteful number, since it uses less digits than its factorization.

8078789312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13429 (or 13419 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 8078789312 is about 89882.0856010807. The cubic root of 8078789312 is about 2006.5443384601.

The spelling of 8078789312 in words is "eight billion, seventy-eight million, seven hundred eighty-nine thousand, three hundred twelve".