79221035 has 4 divisors (see below), whose sum is σ = 95065248. Its totient is φ = 63376824.

The previous prime is 79221031. The next prime is 79221041. The reversal of 79221035 is 53012297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53012297 = 13 ⋅4077869.

It is a cyclic number.

It is not a de Polignac number, because 79221035 - 2² = 79221031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79220989 and 79221007.

It is not an unprimeable number, because it can be changed into a prime (79221031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7922099 + ... + 7922108.

It is an arithmetic number, because the mean of its divisors is an integer number (23766312).

Almost surely, 2^79221035 is an apocalyptic number.

79221035 is a deficient number, since it is larger than the sum of its proper divisors (15844213).

79221035 is a wasteful number, since it uses less digits than its factorization.

79221035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15844212.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 79221035 is about 8900.6199222301. The cubic root of 79221035 is about 429.4838497697.

The spelling of 79221035 in words is "seventy-nine million, two hundred twenty-one thousand, thirty-five".