85306000305 has 32 divisors (see below), whose sum is σ = 142799938560. Its totient is φ = 43403532480.

The previous prime is 85306000271. The next prime is 85306000313. The reversal of 85306000305 is 50300060358.

It is not a de Polignac number, because 85306000305 - 2¹⁰ = 85305999281 is a prime.

It is a super-2 number, since 2×85306000305² (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 31 ways as a sum of consecutive naturals, for example, 195451 + ... + 456960.

It is an arithmetic number, because the mean of its divisors is an integer number (4462498080).

Almost surely, 2^85306000305 is an apocalyptic number.

It is an amenable number.

85306000305 is a deficient number, since it is larger than the sum of its proper divisors (57493938255).

85306000305 is a wasteful number, since it uses less digits than its factorization.

85306000305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652821.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 85306000305 in words is "eighty-five billion, three hundred six million, three hundred five", and thus it is an aban number.