966779657 has 8 divisors (see below), whose sum is σ = 971302752. Its totient is φ = 962264800.

The previous prime is 966779633. The next prime is 966779663. The reversal of 966779657 is 756977669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 966779657 - 2¹⁶ = 966714121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 966779657.

It is not an unprimeable number, because it can be changed into a prime (966779687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399782 + ... + 402192.

It is an arithmetic number, because the mean of its divisors is an integer number (121412844).

Almost surely, 2^966779657 is an apocalyptic number.

It is an amenable number.

966779657 is a deficient number, since it is larger than the sum of its proper divisors (4523095).

966779657 is a wasteful number, since it uses less digits than its factorization.

966779657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119.

The product of its digits is 30005640, while the sum is 62.

The square root of 966779657 is about 31093.0805324915. The cubic root of 966779657 is about 988.8016166503.

The spelling of 966779657 in words is "nine hundred sixty-six million, seven hundred seventy-nine thousand, six hundred fifty-seven".