85592109412 has 12 divisors (see below), whose sum is σ = 149879064636. Its totient is φ = 42769519520.

The previous prime is 85592109409. The next prime is 85592109413. The reversal of 85592109412 is 21490129558.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72799594596 + 12792514816 = 269814^2 + 113104^2 .

It is not an unprimeable number, because it can be changed into a prime (85592109413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6626539 + ... + 6639442.

It is an arithmetic number, because the mean of its divisors is an integer number (12489922053).

Almost surely, 2^85592109412 is an apocalyptic number.

It is an amenable number.

85592109412 is a deficient number, since it is larger than the sum of its proper divisors (64286955224).

85592109412 is a wasteful number, since it uses less digits than its factorization.

85592109412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13267598 (or 13267596 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 85592109412 in words is "eighty-five billion, five hundred ninety-two million, one hundred nine thousand, four hundred twelve".