85811674 has 8 divisors (see below), whose sum is σ = 138618900. Its totient is φ = 39605376.

The previous prime is 85811651. The next prime is 85811683. The reversal of 85811674 is 47611858.

It can be written as a sum of positive squares in 2 ways, for example, as 79334649 + 6477025 = 8907^2 + 2545^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650199 + ... + 1650250.

Almost surely, 2^85811674 is an apocalyptic number.

85811674 is a deficient number, since it is larger than the sum of its proper divisors (52807226).

85811674 is a wasteful number, since it uses less digits than its factorization.

85811674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300464.

The product of its digits is 53760, while the sum is 40.

The square root of 85811674 is about 9263.4590731540. The cubic root of 85811674 is about 441.0780623600.

The spelling of 85811674 in words is "eighty-five million, eight hundred eleven thousand, six hundred seventy-four".