85179601 has 4 divisors (see below), whose sum is σ = 91731892. Its totient is φ = 78627312.

The previous prime is 85179581. The next prime is 85179631. The reversal of 85179601 is 10697158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28569025 + 56610576 = 5345^2 + 7524^2 .

It is a cyclic number.

It is not a de Polignac number, because 85179601 - 2⁵ = 85179569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85179631) 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, 3276126 + ... + 3276151.

It is an arithmetic number, because the mean of its divisors is an integer number (22932973).

Almost surely, 2^85179601 is an apocalyptic number.

It is an amenable number.

85179601 is a deficient number, since it is larger than the sum of its proper divisors (6552291).

85179601 is a wasteful number, since it uses less digits than its factorization.

85179601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552290.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 85179601 is about 9229.2795493473. The cubic root of 85179601 is about 439.9924258338.

The spelling of 85179601 in words is "eighty-five million, one hundred seventy-nine thousand, six hundred one".