79959419 has 4 divisors (see below), whose sum is σ = 81085680. Its totient is φ = 78833160.

The previous prime is 79959343. The next prime is 79959437. The reversal of 79959419 is 91495997.

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 79959419 - 2¹⁶ = 79893883 is a prime.

It is a super-2 number, since 2×79959419² = 12787017373635122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79956419) 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, 563024 + ... + 563165.

It is an arithmetic number, because the mean of its divisors is an integer number (20271420).

Almost surely, 2^79959419 is an apocalyptic number.

79959419 is a deficient number, since it is larger than the sum of its proper divisors (1126261).

79959419 is a wasteful number, since it uses less digits than its factorization.

79959419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126260.

The product of its digits is 918540, while the sum is 53.

The square root of 79959419 is about 8942.0030753741. The cubic root of 79959419 is about 430.8140680885.

The spelling of 79959419 in words is "seventy-nine million, nine hundred fifty-nine thousand, four hundred nineteen".