79470785 has 8 divisors (see below), whose sum is σ = 95850216. Its totient is φ = 63253120.

The previous prime is 79470779. The next prime is 79470799. The reversal of 79470785 is 58707497.

It can be written as a sum of positive squares in 4 ways, for example, as 57577744 + 21893041 = 7588^2 + 4679^2 .

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

It is not a de Polignac number, because 79470785 - 2¹² = 79466689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39356 + ... + 41325.

It is an arithmetic number, because the mean of its divisors is an integer number (11981277).

Almost surely, 2^79470785 is an apocalyptic number.

It is an amenable number.

79470785 is a deficient number, since it is larger than the sum of its proper divisors (16379431).

79470785 is a wasteful number, since it uses less digits than its factorization.

79470785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80883.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 79470785 is about 8914.6388036757. The cubic root of 79470785 is about 429.9347025420.

The spelling of 79470785 in words is "seventy-nine million, four hundred seventy thousand, seven hundred eighty-five".