85042427812 has 24 divisors (see below), whose sum is σ = 152523907200. Its totient is φ = 41477138976.

The previous prime is 85042427773. The next prime is 85042427839. The reversal of 85042427812 is 21872424058.

It is a super-2 number, since 2×85042427812² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594987 + ... + 1647442.

It is an arithmetic number, because the mean of its divisors is an integer number (6355162800).

Almost surely, 2^85042427812 is an apocalyptic number.

It is an amenable number.

85042427812 is a deficient number, since it is larger than the sum of its proper divisors (67481479388).

85042427812 is a wasteful number, since it uses less digits than its factorization.

85042427812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242595 (or 3242593 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 85042427812 in words is "eighty-five billion, forty-two million, four hundred twenty-seven thousand, eight hundred twelve".