85217267258 has 32 divisors (see below), whose sum is σ = 130455904320. Its totient is φ = 41737449600.

The previous prime is 85217267257. The next prime is 85217267269. The reversal of 85217267258 is 85276271258.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85217267257) 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, 58648460 + ... + 58649912.

It is an arithmetic number, because the mean of its divisors is an integer number (4076747010).

Almost surely, 2^85217267258 is an apocalyptic number.

85217267258 is a deficient number, since it is larger than the sum of its proper divisors (45238637062).

85217267258 is a wasteful number, since it uses less digits than its factorization.

85217267258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its digits is 3763200, while the sum is 53.

The spelling of 85217267258 in words is "eighty-five billion, two hundred seventeen million, two hundred sixty-seven thousand, two hundred fifty-eight".