8477765616760 has 128 divisors (see below), whose sum is σ = 20848359571200. Its totient is φ = 3077007616000.

The previous prime is 8477765616737. The next prime is 8477765616769. The reversal of 8477765616760 is 676165677748.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8477765616760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8477765616769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537887280 + ... + 537903040.

It is an arithmetic number, because the mean of its divisors is an integer number (162877809150).

Almost surely, 2^{8477765616760} 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 8477765616760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10424179785600).

8477765616760 is an abundant number, since it is smaller than the sum of its proper divisors (12370593954440).

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

8477765616760 is a wasteful number, since it uses less digits than its factorization.

8477765616760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013 (or 18009 counting only the distinct ones).

The product of its (nonzero) digits is 497871360, while the sum is 70.

The spelling of 8477765616760 in words is "eight trillion, four hundred seventy-seven billion, seven hundred sixty-five million, six hundred sixteen thousand, seven hundred sixty".