966782331 has 16 divisors (see below), whose sum is σ = 1438588800. Its totient is φ = 641678184.

The previous prime is 966782317. The next prime is 966782357. The reversal of 966782331 is 133287669.

It is not a de Polignac number, because 966782331 - 2⁹ = 966781819 is a prime.

It is a super-2 number, since 2×966782331² = 1869336151067587122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (966782371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72741 + ... + 84998.

It is an arithmetic number, because the mean of its divisors is an integer number (89911800).

Almost surely, 2^966782331 is an apocalyptic number.

966782331 is a deficient number, since it is larger than the sum of its proper divisors (471806469).

966782331 is a wasteful number, since it uses less digits than its factorization.

966782331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157975 (or 157969 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 966782331 is about 31093.1235323825. The cubic root of 966782331 is about 988.8025282861.

The spelling of 966782331 in words is "nine hundred sixty-six million, seven hundred eighty-two thousand, three hundred thirty-one".