12477805716 has 96 divisors (see below), whose sum is σ = 31097364480. Its totient is φ = 3884978944.

The previous prime is 12477805709. The next prime is 12477805729. The reversal of 12477805716 is 61750877421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8002945 + ... + 8004503.

It is an arithmetic number, because the mean of its divisors is an integer number (323930880).

Almost surely, 2^12477805716 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 12477805716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15548682240).

12477805716 is an abundant number, since it is smaller than the sum of its proper divisors (18619558764).

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

12477805716 is a wasteful number, since it uses less digits than its factorization.

12477805716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2251 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 48.

The spelling of 12477805716 in words is "twelve billion, four hundred seventy-seven million, eight hundred five thousand, seven hundred sixteen".