79225075409 has 8 divisors (see below), whose sum is σ = 83415636480. Its totient is φ = 75036596400.

The previous prime is 79225075403. The next prime is 79225075427. The reversal of 79225075409 is 90457052297.

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 79225075409 - 2⁴ = 79225075393 is a prime.

It is a super-2 number, since 2×79225075409² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79225075403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442097 + ... + 594894.

It is an arithmetic number, because the mean of its divisors is an integer number (10426954560).

Almost surely, 2^79225075409 is an apocalyptic number.

It is an amenable number.

79225075409 is a deficient number, since it is larger than the sum of its proper divisors (4190561071).

79225075409 is a wasteful number, since it uses less digits than its factorization.

79225075409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041031.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 79225075409 in words is "seventy-nine billion, two hundred twenty-five million, seventy-five thousand, four hundred nine".