79854419 has 8 divisors (see below), whose sum is σ = 83662848. Its totient is φ = 76123080.

The previous prime is 79854353. The next prime is 79854433. The reversal of 79854419 is 91445897.

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 79854419 - 2¹⁶ = 79788883 is a prime.

It is a super-2 number, since 2×79854419² = 12753456467655122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79854469) 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, 17147 + ... + 21300.

It is an arithmetic number, because the mean of its divisors is an integer number (10457856).

Almost surely, 2^79854419 is an apocalyptic number.

79854419 is a deficient number, since it is larger than the sum of its proper divisors (3808429).

79854419 is a wasteful number, since it uses less digits than its factorization.

79854419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38545.

The product of its digits is 362880, while the sum is 47.

The square root of 79854419 is about 8936.1299789115. The cubic root of 79854419 is about 430.6254086712.

The spelling of 79854419 in words is "seventy-nine million, eight hundred fifty-four thousand, four hundred nineteen".