85434711 has 4 divisors (see below), whose sum is σ = 113912952. Its totient is φ = 56956472.

The previous prime is 85434703. The next prime is 85434751. The reversal of 85434711 is 11743458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85434711 - 2³ = 85434703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85434751) 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, 14239116 + ... + 14239121.

It is an arithmetic number, because the mean of its divisors is an integer number (28478238).

Almost surely, 2^85434711 is an apocalyptic number.

85434711 is a deficient number, since it is larger than the sum of its proper divisors (28478241).

85434711 is a wasteful number, since it uses less digits than its factorization.

85434711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28478240.

The product of its digits is 13440, while the sum is 33.

The square root of 85434711 is about 9243.0899054375. The cubic root of 85434711 is about 440.4312421482.

The spelling of 85434711 in words is "eighty-five million, four hundred thirty-four thousand, seven hundred eleven".