85306012436 has 24 divisors (see below), whose sum is σ = 149650072320. Its totient is φ = 42548913792.

The previous prime is 85306012423. The next prime is 85306012447. The reversal of 85306012436 is 63421060358.

It is a super-3 number, since 3×85306012436³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85306012436.

It is a congruent number.

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, 7077431 + ... + 7089473.

It is an arithmetic number, because the mean of its divisors is an integer number (6235419680).

Almost surely, 2^85306012436 is an apocalyptic number.

It is an amenable number.

85306012436 is a deficient number, since it is larger than the sum of its proper divisors (64344059884).

85306012436 is a wasteful number, since it uses less digits than its factorization.

85306012436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16223 (or 16221 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 85306012436 in words is "eighty-five billion, three hundred six million, twelve thousand, four hundred thirty-six".