85256423212 has 6 divisors (see below), whose sum is σ = 149198740628. Its totient is φ = 42628211604.

The previous prime is 85256423201. The next prime is 85256423327. The reversal of 85256423212 is 21232465258.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10657052898 + ... + 10657052905.

Almost surely, 2^85256423212 is an apocalyptic number.

It is an amenable number.

85256423212 is a deficient number, since it is larger than the sum of its proper divisors (63942317416).

85256423212 is a wasteful number, since it uses less digits than its factorization.

85256423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314105807 (or 21314105805 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The spelling of 85256423212 in words is "eighty-five billion, two hundred fifty-six million, four hundred twenty-three thousand, two hundred twelve".