7896841264 has 80 divisors (see below), whose sum is σ = 16797397120. Its totient is φ = 3574471680.

The previous prime is 7896841223. The next prime is 7896841273. The reversal of 7896841264 is 4621486987.

It is a happy 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, 2578294 + ... + 2581354.

It is an arithmetic number, because the mean of its divisors is an integer number (209967464).

Almost surely, 2^7896841264 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 7896841264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8398698560).

7896841264 is an abundant number, since it is smaller than the sum of its proper divisors (8900555856).

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

7896841264 is a wasteful number, since it uses less digits than its factorization.

7896841264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318 (or 3312 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 7896841264 is about 88864.1731183045. The cubic root of 7896841264 is about 1991.3662212304.

The spelling of 7896841264 in words is "seven billion, eight hundred ninety-six million, eight hundred forty-one thousand, two hundred sixty-four".