966225639 has 32 divisors (see below), whose sum is σ = 1434101760. Its totient is φ = 576115200.

The previous prime is 966225619. The next prime is 966225641. The reversal of 966225639 is 936522669.

It is not a de Polignac number, because 966225639 - 2⁸ = 966225383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966225619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65779 + ... + 79115.

It is an arithmetic number, because the mean of its divisors is an integer number (44815680).

Almost surely, 2^966225639 is an apocalyptic number.

966225639 is a deficient number, since it is larger than the sum of its proper divisors (467876121).

966225639 is a wasteful number, since it uses less digits than its factorization.

966225639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13431.

The product of its digits is 1049760, while the sum is 48.

The square root of 966225639 is about 31084.1702318077. The cubic root of 966225639 is about 988.6127012940.

The spelling of 966225639 in words is "nine hundred sixty-six million, two hundred twenty-five thousand, six hundred thirty-nine".