965550880 has 144 divisors (see below), whose sum is σ = 2680667136. Its totient is φ = 327667200.

The previous prime is 965550863. The next prime is 965550907. The reversal of 965550880 is 88055569.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 965550880.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838305 + ... + 839455.

It is an arithmetic number, because the mean of its divisors is an integer number (18615744).

Almost surely, 2^965550880 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 965550880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340333568).

965550880 is an abundant number, since it is smaller than the sum of its proper divisors (1715116256).

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

965550880 is a wasteful number, since it uses less digits than its factorization.

965550880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 965550880 is about 31073.3145962899. The cubic root of 965550880 is about 988.3825167374.

The spelling of 965550880 in words is "nine hundred sixty-five million, five hundred fifty thousand, eight hundred eighty".