85730111 has 4 divisors (see below), whose sum is σ = 85800000. Its totient is φ = 85660224.

The previous prime is 85730087. The next prime is 85730123. The reversal of 85730111 is 11103758.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11103758 = 2 ⋅5551879.

It is a cyclic number.

It is not a de Polignac number, because 85730111 - 2²² = 81535807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85730311) 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, 33071 + ... + 35568.

It is an arithmetic number, because the mean of its divisors is an integer number (21450000).

Almost surely, 2^85730111 is an apocalyptic number.

85730111 is a deficient number, since it is larger than the sum of its proper divisors (69889).

85730111 is a wasteful number, since it uses less digits than its factorization.

85730111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69888.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 85730111 is about 9259.0556213903. The cubic root of 85730111 is about 440.9382715348.

Adding to 85730111 its reverse (11103758), we get a palindrome (96833869).

The spelling of 85730111 in words is "eighty-five million, seven hundred thirty thousand, one hundred eleven".