85111655 has 8 divisors (see below), whose sum is σ = 104894592. Its totient is φ = 66248928.

The previous prime is 85111633. The next prime is 85111657. The reversal of 85111655 is 55611158.

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

It is a cyclic number.

It is not a de Polignac number, because 85111655 - 2¹⁴ = 85095271 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 (85111657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229847 + ... + 230216.

It is an arithmetic number, because the mean of its divisors is an integer number (13111824).

Almost surely, 2^85111655 is an apocalyptic number.

85111655 is a deficient number, since it is larger than the sum of its proper divisors (19782937).

85111655 is a wasteful number, since it uses less digits than its factorization.

85111655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460105.

The product of its digits is 6000, while the sum is 32.

The square root of 85111655 is about 9225.5978126081. The cubic root of 85111655 is about 439.8754037706.

The spelling of 85111655 in words is "eighty-five million, one hundred eleven thousand, six hundred fifty-five".