8311797444 has 24 divisors (see below), whose sum is σ = 19494687520. Its totient is φ = 2756242944.

The previous prime is 8311797419. The next prime is 8311797463. The reversal of 8311797444 is 4447971138.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8311797393 and 8311797402.

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, 1792114 + ... + 1796745.

Almost surely, 2^8311797444 is an apocalyptic number.

It is an amenable number.

8311797444 is an abundant number, since it is smaller than the sum of its proper divisors (11182890076).

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

8311797444 is a wasteful number, since it uses less digits than its factorization.

8311797444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589059 (or 3589057 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 8311797444 is about 91169.0596858386. The cubic root of 8311797444 is about 2025.6526834973.

The spelling of 8311797444 in words is "eight billion, three hundred eleven million, seven hundred ninety-seven thousand, four hundred forty-four".