79198085 has 8 divisors (see below), whose sum is σ = 99169920. Its totient is φ = 60603664.

The previous prime is 79198081. The next prime is 79198103. The reversal of 79198085 is 58089197.

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 79198085 - 2² = 79198081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79198081) 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, 344225 + ... + 344454.

It is an arithmetic number, because the mean of its divisors is an integer number (12396240).

Almost surely, 2^79198085 is an apocalyptic number.

It is an amenable number.

79198085 is a deficient number, since it is larger than the sum of its proper divisors (19971835).

79198085 is a wasteful number, since it uses less digits than its factorization.

79198085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688707.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 79198085 is about 8899.3305928030. The cubic root of 79198085 is about 429.4423725437.

The spelling of 79198085 in words is "seventy-nine million, one hundred ninety-eight thousand, eighty-five".