79859469 has 8 divisors (see below), whose sum is σ = 106761760. Its totient is φ = 53098416.

The previous prime is 79859467. The next prime is 79859477. The reversal of 79859469 is 96495897.

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

It is not a de Polignac number, because 79859469 - 2¹ = 79859467 is a prime.

It is a super-2 number, since 2×79859469² = 12755069577923922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79859467) 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, 33982 + ... + 36255.

It is an arithmetic number, because the mean of its divisors is an integer number (13345220).

Almost surely, 2^79859469 is an apocalyptic number.

It is an amenable number.

79859469 is a deficient number, since it is larger than the sum of its proper divisors (26902291).

79859469 is a wasteful number, since it uses less digits than its factorization.

79859469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70619.

The product of its digits is 4898880, while the sum is 57.

The square root of 79859469 is about 8936.4125352403. The cubic root of 79859469 is about 430.6344860753.

The spelling of 79859469 in words is "seventy-nine million, eight hundred fifty-nine thousand, four hundred sixty-nine".