966600967779 has 6 divisors (see below), whose sum is σ = 1396201397916. Its totient is φ = 644400645180.

The previous prime is 966600967757. The next prime is 966600967817. The reversal of 966600967779 is 977769006669.

It is not a de Polignac number, because 966600967779 - 2¹⁹ = 966600443491 is a prime.

It is a super-2 number, since 2×966600967779² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (966600967879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53700053757 + ... + 53700053774.

It is an arithmetic number, because the mean of its divisors is an integer number (232700232986).

Almost surely, 2^966600967779 is an apocalyptic number.

966600967779 is a deficient number, since it is larger than the sum of its proper divisors (429600430137).

966600967779 is a wasteful number, since it uses less digits than its factorization.

966600967779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107400107537 (or 107400107534 counting only the distinct ones).

The product of its (nonzero) digits is 324060912, while the sum is 72.

The spelling of 966600967779 in words is "nine hundred sixty-six billion, six hundred million, nine hundred sixty-seven thousand, seven hundred seventy-nine".