7800801696 has 144 divisors (see below), whose sum is σ = 24061951368. Its totient is φ = 2387558400.

The previous prime is 7800801691. The next prime is 7800801707. The reversal of 7800801696 is 6961080087.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7062049296 + 738752400 = 84036^2 + 27180^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (7800801691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181306 + ... + 220166.

Almost surely, 2^7800801696 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 7800801696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12030975684).

7800801696 is an abundant number, since it is smaller than the sum of its proper divisors (16261149672).

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

7800801696 is a wasteful number, since it uses less digits than its factorization.

7800801696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38935 (or 38924 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 7800801696 is about 88322.1472565064. The cubic root of 7800801696 is about 1983.2604255445.

The spelling of 7800801696 in words is "seven billion, eight hundred million, eight hundred one thousand, six hundred ninety-six".