85523577 has 8 divisors (see below), whose sum is σ = 114075264. Its totient is φ = 56993808.

The previous prime is 85523573. The next prime is 85523587. The reversal of 85523577 is 77532558.

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

It is not a de Polignac number, because 85523577 - 2² = 85523573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85523573) 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, 9408 + ... + 16110.

It is an arithmetic number, because the mean of its divisors is an integer number (14259408).

Almost surely, 2^85523577 is an apocalyptic number.

It is an amenable number.

85523577 is a deficient number, since it is larger than the sum of its proper divisors (28551687).

85523577 is a wasteful number, since it uses less digits than its factorization.

85523577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959.

The product of its digits is 294000, while the sum is 42.

The square root of 85523577 is about 9247.8958147246. The cubic root of 85523577 is about 440.5838959494.

The spelling of 85523577 in words is "eighty-five million, five hundred twenty-three thousand, five hundred seventy-seven".