85179679 has 8 divisors (see below), whose sum is σ = 96560240. Its totient is φ = 74488896.

The previous prime is 85179659. The next prime is 85179683. The reversal of 85179679 is 97697158.

It is a happy number.

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 85179679 - 2⁹ = 85179167 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 (85179659) 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, 172182 + ... + 172675.

It is an arithmetic number, because the mean of its divisors is an integer number (12070030).

Almost surely, 2^85179679 is an apocalyptic number.

85179679 is a deficient number, since it is larger than the sum of its proper divisors (11380561).

85179679 is a wasteful number, since it uses less digits than its factorization.

85179679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344889.

The product of its digits is 952560, while the sum is 52.

The square root of 85179679 is about 9229.2837750283. The cubic root of 85179679 is about 439.9925601359.

It can be divided in two parts, 85179 and 679, that added together give a palindrome (85858).

The spelling of 85179679 in words is "eighty-five million, one hundred seventy-nine thousand, six hundred seventy-nine".