79098945 has 8 divisors (see below), whose sum is σ = 126558336. Its totient is φ = 42186096.

The previous prime is 79098937. The next prime is 79098959. The reversal of 79098945 is 54989097.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79098945 - 2³ = 79098937 is a prime.

It is a super-2 number, since 2×79098945² = 12513286200226050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2636617 + ... + 2636646.

It is an arithmetic number, because the mean of its divisors is an integer number (15819792).

Almost surely, 2^79098945 is an apocalyptic number.

It is an amenable number.

79098945 is a deficient number, since it is larger than the sum of its proper divisors (47459391).

79098945 is a wasteful number, since it uses less digits than its factorization.

79098945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273271.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 79098945 is about 8893.7587666858. The cubic root of 79098945 is about 429.2631060280.

The spelling of 79098945 in words is "seventy-nine million, ninety-eight thousand, nine hundred forty-five".