7660497280 has 128 divisors (see below), whose sum is σ = 18737971200. Its totient is φ = 2994001920.

The previous prime is 7660497259. The next prime is 7660497289. The reversal of 7660497280 is 827940667.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7660497289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5206945 + ... + 5208415.

It is an arithmetic number, because the mean of its divisors is an integer number (146390400).

Almost surely, 2^7660497280 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 7660497280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9368985600).

7660497280 is an abundant number, since it is smaller than the sum of its proper divisors (11077473920).

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

7660497280 is a wasteful number, since it uses less digits than its factorization.

7660497280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 7660497280 is about 87524.2668064120. The cubic root of 7660497280 is about 1971.2981797918.

The spelling of 7660497280 in words is "seven billion, six hundred sixty million, four hundred ninety-seven thousand, two hundred eighty".