85966666958 has 8 divisors (see below), whose sum is σ = 130155140952. Its totient is φ = 42581619976.

The previous prime is 85966666957. The next prime is 85966666991.

85966666958 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85966666957) 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, 200856485 + ... + 200856912.

It is an arithmetic number, because the mean of its divisors is an integer number (16269392619).

Almost surely, 2^85966666958 is an apocalyptic number.

85966666958 is a deficient number, since it is larger than the sum of its proper divisors (44188473994).

85966666958 is a wasteful number, since it uses less digits than its factorization.

85966666958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401713506.

The product of its digits is 1007769600, while the sum is 74.

The spelling of 85966666958 in words is "eighty-five billion, nine hundred sixty-six million, six hundred sixty-six thousand, nine hundred fifty-eight".