966561078 has 48 divisors (see below), whose sum is σ = 2346914304. Its totient is φ = 259912320.

The previous prime is 966561077. The next prime is 966561083. The reversal of 966561078 is 870165669.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966561073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27678 + ... + 51953.

It is an arithmetic number, because the mean of its divisors is an integer number (48894048).

Almost surely, 2^966561078 is an apocalyptic number.

966561078 is an abundant number, since it is smaller than the sum of its proper divisors (1380353226).

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

966561078 is a wasteful number, since it uses less digits than its factorization.

966561078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79677 (or 79660 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 966561078 is about 31089.5654199283. The cubic root of 966561078 is about 988.7270917202.

The spelling of 966561078 in words is "nine hundred sixty-six million, five hundred sixty-one thousand, seventy-eight".