9617769680 has 80 divisors (see below), whose sum is σ = 22722712320. Its totient is φ = 3785273856.

The previous prime is 9617769661. The next prime is 9617769697. The reversal of 9617769680 is 869677169.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937762 + ... + 1942718.

It is an arithmetic number, because the mean of its divisors is an integer number (284033904).

Almost surely, 2^9617769680 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 9617769680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11361356160).

9617769680 is an abundant number, since it is smaller than the sum of its proper divisors (13104942640).

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

9617769680 is a wasteful number, since it uses less digits than its factorization.

9617769680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356 (or 5350 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 59.

The square root of 9617769680 is about 98070.2283060461. The cubic root of 9617769680 is about 2126.6276566821.

The spelling of 9617769680 in words is "nine billion, six hundred seventeen million, seven hundred sixty-nine thousand, six hundred eighty".