7708773121632 has 192 divisors, whose sum is σ = 24586188318720. Its totient is φ = 2330441971200.

The previous prime is 7708773121631. The next prime is 7708773121657. The reversal of 7708773121632 is 2361213778077.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7708773121631) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3037873 + ... + 4964495.

It is an arithmetic number, because the mean of its divisors is an integer number (128053064160).

Almost surely, 2^{7708773121632} is an apocalyptic number.

7708773121632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7708773121632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12293094159360).

7708773121632 is an abundant number, since it is smaller than the sum of its proper divisors (16877415197088).

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

7708773121632 is a wasteful number, since it uses less digits than its factorization.

7708773121632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927074 (or 1927060 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The spelling of 7708773121632 in words is "seven trillion, seven hundred eight billion, seven hundred seventy-three million, one hundred twenty-one thousand, six hundred thirty-two".