9261417880 has 128 divisors (see below), whose sum is σ = 24537038400. Its totient is φ = 3101644800.

The previous prime is 9261417877. The next prime is 9261417887. The reversal of 9261417880 is 887141629.

It is a super-2 number, since 2×9261417880² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9261417880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9261417887) 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, 2909890 + ... + 2913070.

Almost surely, 2^9261417880 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 9261417880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12268519200).

9261417880 is an abundant number, since it is smaller than the sum of its proper divisors (15275620520).

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

9261417880 is a wasteful number, since it uses less digits than its factorization.

9261417880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 9261417880 is about 96236.2607336756. The cubic root of 9261417880 is about 2100.0315853148.

The spelling of 9261417880 in words is "nine billion, two hundred sixty-one million, four hundred seventeen thousand, eight hundred eighty".