946789680 has 80 divisors (see below), whose sum is σ = 3036278880. Its totient is φ = 243769344.

The previous prime is 946789661. The next prime is 946789717. The reversal of 946789680 is 86987649.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 946789680.

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, 61057 + ... + 74976.

It is an arithmetic number, because the mean of its divisors is an integer number (37953486).

Almost surely, 2^946789680 is an apocalyptic number.

It is an amenable number.

946789680 is an abundant number, since it is smaller than the sum of its proper divisors (2089489200).

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

946789680 is a wasteful number, since it uses less digits than its factorization.

946789680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136078 (or 136072 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 946789680 is about 30769.9476762636. The cubic root of 946789680 is about 981.9389904343.

The spelling of 946789680 in words is "nine hundred forty-six million, seven hundred eighty-nine thousand, six hundred eighty".