85995579 has 8 divisors (see below), whose sum is σ = 115732800. Its totient is φ = 56794376.

The previous prime is 85995517. The next prime is 85995587. The reversal of 85995579 is 97559958.

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 85995579 - 2⁷ = 85995451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85995079) 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, 133629 + ... + 134270.

It is an arithmetic number, because the mean of its divisors is an integer number (14466600).

Almost surely, 2^85995579 is an apocalyptic number.

85995579 is a deficient number, since it is larger than the sum of its proper divisors (29737221).

85995579 is a wasteful number, since it uses less digits than its factorization.

85995579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268009.

The product of its digits is 5103000, while the sum is 57.

The square root of 85995579 is about 9273.3801280871. The cubic root of 85995579 is about 441.3929324262.

The spelling of 85995579 in words is "eighty-five million, nine hundred ninety-five thousand, five hundred seventy-nine".