85124277812 has 24 divisors (see below), whose sum is σ = 179209007040. Its totient is φ = 34561736640.

The previous prime is 85124277727. The next prime is 85124277817. The reversal of 85124277812 is 21877242158.

It is a super-2 number, since 2×85124277812² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85124277817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80003489 + ... + 80004552.

It is an arithmetic number, because the mean of its divisors is an integer number (7467041960).

Almost surely, 2^85124277812 is an apocalyptic number.

It is an amenable number.

85124277812 is an abundant number, since it is smaller than the sum of its proper divisors (94084729228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85124277812 is a wasteful number, since it uses less digits than its factorization.

85124277812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160008071 (or 160008069 counting only the distinct ones).

The product of its digits is 501760, while the sum is 47.

The spelling of 85124277812 in words is "eighty-five billion, one hundred twenty-four million, two hundred seventy-seven thousand, eight hundred twelve".