85011577 has 16 divisors (see below), whose sum is σ = 103282560. Its totient is φ = 68306688.

The previous prime is 85011571. The next prime is 85011587. The reversal of 85011577 is 77511058.

It is a cyclic number.

It is not a de Polignac number, because 85011577 - 2³ = 85011569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85011571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31674 + ... + 34252.

It is an arithmetic number, because the mean of its divisors is an integer number (6455160).

Almost surely, 2^85011577 is an apocalyptic number.

It is an amenable number.

85011577 is a deficient number, since it is larger than the sum of its proper divisors (18270983).

85011577 is a wasteful number, since it uses less digits than its factorization.

85011577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880.

The product of its (nonzero) digits is 9800, while the sum is 34.

The square root of 85011577 is about 9220.1722868936. The cubic root of 85011577 is about 439.7029279163.

The spelling of 85011577 in words is "eighty-five million, eleven thousand, five hundred seventy-seven".