85712368605 has 32 divisors (see below), whose sum is σ = 144495792000. Its totient is φ = 43265866752.

The previous prime is 85712368601. The next prime is 85712368631. The reversal of 85712368605 is 50686321758.

It is a happy number.

It is not a de Polignac number, because 85712368605 - 2² = 85712368601 is a prime.

It is a super-2 number, since 2×85712368605² (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 (85712368601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155617 + ... + 442313.

It is an arithmetic number, because the mean of its divisors is an integer number (4515493500).

Almost surely, 2^85712368605 is an apocalyptic number.

It is an amenable number.

85712368605 is a deficient number, since it is larger than the sum of its proper divisors (58783423395).

85712368605 is a wasteful number, since it uses less digits than its factorization.

85712368605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287773.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 85712368605 in words is "eighty-five billion, seven hundred twelve million, three hundred sixty-eight thousand, six hundred five".