79404274419 has 8 divisors (see below), whose sum is σ = 108334514112. Its totient is φ = 51705108840.

The previous prime is 79404274387. The next prime is 79404274429. The reversal of 79404274419 is 91447240497.

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 79404274419 - 2⁵ = 79404274387 is a prime.

It is a super-2 number, since 2×79404274419² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79404274429) 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, 307768377 + ... + 307768634.

It is an arithmetic number, because the mean of its divisors is an integer number (13541814264).

Almost surely, 2^79404274419 is an apocalyptic number.

79404274419 is a deficient number, since it is larger than the sum of its proper divisors (28930239693).

79404274419 is a wasteful number, since it uses less digits than its factorization.

79404274419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615537057.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 79404274419 in words is "seventy-nine billion, four hundred four million, two hundred seventy-four thousand, four hundred nineteen".