966822109 has 4 divisors (see below), whose sum is σ = 1054715040. Its totient is φ = 878929180.

The previous prime is 966822071. The next prime is 966822119. The reversal of 966822109 is 901228669.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901228669 = 11 ⋅81929879.

It is a cyclic number.

It is not a de Polignac number, because 966822109 - 2²³ = 958433501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966822119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43946449 + ... + 43946470.

It is an arithmetic number, because the mean of its divisors is an integer number (263678760).

Almost surely, 2^966822109 is an apocalyptic number.

It is an amenable number.

966822109 is a deficient number, since it is larger than the sum of its proper divisors (87892931).

966822109 is a wasteful number, since it uses less digits than its factorization.

966822109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87892930.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 966822109 is about 31093.7631849218. The cubic root of 966822109 is about 988.8160894385.

The spelling of 966822109 in words is "nine hundred sixty-six million, eight hundred twenty-two thousand, one hundred nine".