7965838416 has 80 divisors (see below), whose sum is σ = 20878824384. Its totient is φ = 2616778752.

The previous prime is 7965838403. The next prime is 7965838421. The reversal of 7965838416 is 6148385697.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007856 + ... + 1015728.

Almost surely, 2^7965838416 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 7965838416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10439412192).

7965838416 is an abundant number, since it is smaller than the sum of its proper divisors (12912985968).

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

7965838416 is a wasteful number, since it uses less digits than its factorization.

7965838416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8188 (or 8182 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 7965838416 is about 89251.5457345138. The cubic root of 7965838416 is about 1997.1491395616.

The spelling of 7965838416 in words is "seven billion, nine hundred sixty-five million, eight hundred thirty-eight thousand, four hundred sixteen".