9571338680 has 64 divisors (see below), whose sum is σ = 22487492160. Its totient is φ = 3659527168.

The previous prime is 9571338671. The next prime is 9571338697. The reversal of 9571338680 is 868331759.

It is a happy number.

It is a super-2 number, since 2×9571338680² (a number of 21 digits) contains 22 as substring.

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, 1812524 + ... + 1817796.

It is an arithmetic number, because the mean of its divisors is an integer number (351367065).

Almost surely, 2^9571338680 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 9571338680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11243746080).

9571338680 is an abundant number, since it is smaller than the sum of its proper divisors (12916153480).

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

9571338680 is a wasteful number, since it uses less digits than its factorization.

9571338680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280 (or 7276 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 9571338680 is about 97833.2186938567. The cubic root of 9571338680 is about 2123.1999468226.

The spelling of 9571338680 in words is "nine billion, five hundred seventy-one million, three hundred thirty-eight thousand, six hundred eighty".