9170880768 has 162 divisors, whose sum is σ = 30759335334. Its totient is φ = 2620219392.

The previous prime is 9170880767. The next prime is 9170880793. The reversal of 9170880768 is 8670880719.

It can be written as a sum of positive squares in only one way, i.e., 8108642304 + 1062238464 = 90048^2 + 32592^2 .

It is not an unprimeable number, because it can be changed into a prime (9170880767) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72280 + ... + 153512.

Almost surely, 2^9170880768 is an apocalyptic number.

9170880768 is a gapful number since it is divisible by the number (98) 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 9170880768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15379667667).

9170880768 is an abundant number, since it is smaller than the sum of its proper divisors (21588454566).

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

9170880768 is a wasteful number, since it uses less digits than its factorization.

9170880768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81269 (or 81245 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The square root of 9170880768 is about 95764.7156733627. The cubic root of 9170880768 is about 2093.1660513366.

The spelling of 9170880768 in words is "nine billion, one hundred seventy million, eight hundred eighty thousand, seven hundred sixty-eight".