79413853 has 4 divisors (see below), whose sum is σ = 80501788. Its totient is φ = 78325920.

The previous prime is 79413821. The next prime is 79413857. The reversal of 79413853 is 35831497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35831497 = 13 ⋅2756269.

It can be written as a sum of positive squares in 2 ways, for example, as 18292729 + 61121124 = 4277^2 + 7818^2 .

It is a cyclic number.

It is not a de Polignac number, because 79413853 - 2⁵ = 79413821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79413857) 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, 543858 + ... + 544003.

It is an arithmetic number, because the mean of its divisors is an integer number (20125447).

Almost surely, 2^79413853 is an apocalyptic number.

79413853 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

79413853 is a deficient number, since it is larger than the sum of its proper divisors (1087935).

79413853 is a wasteful number, since it uses less digits than its factorization.

79413853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087934.

The product of its digits is 90720, while the sum is 40.

The square root of 79413853 is about 8911.4450567795. The cubic root of 79413853 is about 429.8320111783.

The spelling of 79413853 in words is "seventy-nine million, four hundred thirteen thousand, eight hundred fifty-three".