85801234 has 8 divisors (see below), whose sum is σ = 128741580. Its totient is φ = 42887376.

The previous prime is 85801231. The next prime is 85801259. The reversal of 85801234 is 43210858.

It can be written as a sum of positive squares in 2 ways, for example, as 82901025 + 2900209 = 9105^2 + 1703^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 85801196 and 85801205.

It is not an unprimeable number, because it can be changed into a prime (85801231) 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, 7512 + ... + 15100.

Almost surely, 2^85801234 is an apocalyptic number.

85801234 is a deficient number, since it is larger than the sum of its proper divisors (42940346).

85801234 is a wasteful number, since it uses less digits than its factorization.

85801234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13244.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 85801234 is about 9262.8955516080. The cubic root of 85801234 is about 441.0601741889.

The spelling of 85801234 in words is "eighty-five million, eight hundred one thousand, two hundred thirty-four".