79088647219 has 4 divisors (see below), whose sum is σ = 79103765896. Its totient is φ = 79073528544.

The previous prime is 79088647207. The next prime is 79088647237. The reversal of 79088647219 is 91274688097.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79088647219 - 2⁷ = 79088647091 is a prime.

It is a super-2 number, since 2×79088647219² (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 (79088647249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7551489 + ... + 7561954.

It is an arithmetic number, because the mean of its divisors is an integer number (19775941474).

Almost surely, 2^79088647219 is an apocalyptic number.

79088647219 is a deficient number, since it is larger than the sum of its proper divisors (15118677).

79088647219 is a wasteful number, since it uses less digits than its factorization.

79088647219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15118676.

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 79088647219 in words is "seventy-nine billion, eighty-eight million, six hundred forty-seven thousand, two hundred nineteen".