85966964 has 6 divisors (see below), whose sum is σ = 150442194. Its totient is φ = 42983480.

The previous prime is 85966961. The next prime is 85967003. The reversal of 85966964 is 46966958.

It can be written as a sum of positive squares in only one way, i.e., 83539600 + 2427364 = 9140^2 + 1558^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85966961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10745867 + ... + 10745874.

It is an arithmetic number, because the mean of its divisors is an integer number (25073699).

Almost surely, 2^85966964 is an apocalyptic number.

It is an amenable number.

85966964 is a deficient number, since it is larger than the sum of its proper divisors (64475230).

85966964 is a wasteful number, since it uses less digits than its factorization.

85966964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21491745 (or 21491743 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 85966964 is about 9271.8371426595. The cubic root of 85966964 is about 441.3439692117.

The spelling of 85966964 in words is "eighty-five million, nine hundred sixty-six thousand, nine hundred sixty-four".