85806323834 has 24 divisors (see below), whose sum is σ = 163334488608. Its totient is φ = 33431034840.

The previous prime is 85806323819. The next prime is 85806323851. The reversal of 85806323834 is 43832360858.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39797774 + ... + 39799929.

It is an arithmetic number, because the mean of its divisors is an integer number (6805603692).

Almost surely, 2^85806323834 is an apocalyptic number.

85806323834 is a deficient number, since it is larger than the sum of its proper divisors (77528164774).

85806323834 is a wasteful number, since it uses less digits than its factorization.

85806323834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79597730 (or 79597723 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 85806323834 in words is "eighty-five billion, eight hundred six million, three hundred twenty-three thousand, eight hundred thirty-four".