85804013858 has 8 divisors (see below), whose sum is σ = 130815955740. Its totient is φ = 42198695280.

The previous prime is 85804013857. The next prime is 85804013873. The reversal of 85804013858 is 85831040858.

It can be written as a sum of positive squares in 2 ways, for example, as 85616515609 + 187498249 = 292603^2 + 13693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85804013857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351655673 + ... + 351655916.

Almost surely, 2^85804013858 is an apocalyptic number.

85804013858 is a deficient number, since it is larger than the sum of its proper divisors (45011941882).

85804013858 is a wasteful number, since it uses less digits than its factorization.

85804013858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703311652.

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 85804013858 in words is "eighty-five billion, eight hundred four million, thirteen thousand, eight hundred fifty-eight".