79854513 has 8 divisors (see below), whose sum is σ = 106837248. Its totient is φ = 53054064.

The previous prime is 79854503. The next prime is 79854563. The reversal of 79854513 is 31545897.

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

It is not a de Polignac number, because 79854513 - 2¹⁸ = 79592369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79854503) 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, 44545 + ... + 46302.

It is an arithmetic number, because the mean of its divisors is an integer number (13354656).

Almost surely, 2^79854513 is an apocalyptic number.

It is an amenable number.

79854513 is a deficient number, since it is larger than the sum of its proper divisors (26982735).

79854513 is a wasteful number, since it uses less digits than its factorization.

79854513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91143.

The product of its digits is 151200, while the sum is 42.

The square root of 79854513 is about 8936.1352384574. The cubic root of 79854513 is about 430.6255776403.

The spelling of 79854513 in words is "seventy-nine million, eight hundred fifty-four thousand, five hundred thirteen".