85671417658 has 64 divisors (see below), whose sum is σ = 147152609280. Its totient is φ = 37191528000.

The previous prime is 85671417617. The next prime is 85671417659.

85671417658 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (85671417659) 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, 2720841 + ... + 2752147.

It is an arithmetic number, because the mean of its divisors is an integer number (2299259520).

Almost surely, 2^85671417658 is an apocalyptic number.

85671417658 is a deficient number, since it is larger than the sum of its proper divisors (61481191622).

85671417658 is a wasteful number, since it uses less digits than its factorization.

85671417658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31483.

The product of its digits is 11289600, while the sum is 58.

The spelling of 85671417658 in words is "eighty-five billion, six hundred seventy-one million, four hundred seventeen thousand, six hundred fifty-eight".