7700660285940 has 768 divisors, whose sum is σ = 27453323520000. Its totient is φ = 1780324761600.

The previous prime is 7700660285909. The next prime is 7700660285971. The reversal of 7700660285940 is 495820660077.

It is an interprime number because it is at equal distance from previous prime (7700660285909) and next prime (7700660285971).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2749252540 + ... + 2749255340.

It is an arithmetic number, because the mean of its divisors is an integer number (35746515000).

Almost surely, 2^{7700660285940} 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 7700660285940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13726661760000).

7700660285940 is an abundant number, since it is smaller than the sum of its proper divisors (19752663234060).

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

7700660285940 is a wasteful number, since it uses less digits than its factorization.

7700660285940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337 (or 3329 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 7700660285940 in words is "seven trillion, seven hundred billion, six hundred sixty million, two hundred eighty-five thousand, nine hundred forty".