85575079 has 4 divisors (see below), whose sum is σ = 85599184. Its totient is φ = 85550976.

The previous prime is 85575073. The next prime is 85575103. The reversal of 85575079 is 97057558.

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 85575079 - 2⁵ = 85575047 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 (85575073) 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, 5562 + ... + 14215.

It is an arithmetic number, because the mean of its divisors is an integer number (21399796).

Almost surely, 2^85575079 is an apocalyptic number.

85575079 is a deficient number, since it is larger than the sum of its proper divisors (24105).

85575079 is a wasteful number, since it uses less digits than its factorization.

85575079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24104.

The product of its (nonzero) digits is 441000, while the sum is 46.

The square root of 85575079 is about 9250.6799209572. The cubic root of 85575079 is about 440.6723175649.

The spelling of 85575079 in words is "eighty-five million, five hundred seventy-five thousand, seventy-nine".