966781880 has 64 divisors (see below), whose sum is σ = 2242261440. Its totient is φ = 374879232.

The previous prime is 966781873. The next prime is 966781889. The reversal of 966781880 is 88187669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966781889) 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, 462197 + ... + 464283.

It is an arithmetic number, because the mean of its divisors is an integer number (35035335).

Almost surely, 2^966781880 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 966781880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121130720).

966781880 is an abundant number, since it is smaller than the sum of its proper divisors (1275479560).

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

966781880 is a wasteful number, since it uses less digits than its factorization.

966781880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 966781880 is about 31093.1162799743. The cubic root of 966781880 is about 988.8023745287.

The spelling of 966781880 in words is "nine hundred sixty-six million, seven hundred eighty-one thousand, eight hundred eighty".