79706285 has 8 divisors (see below), whose sum is σ = 101273976. Its totient is φ = 60014080.

The previous prime is 79706281. The next prime is 79706287. The reversal of 79706285 is 58260797.

It can be written as a sum of positive squares in 4 ways, for example, as 3161284 + 76545001 = 1778^2 + 8749^2 .

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

It is not a de Polignac number, because 79706285 - 2² = 79706281 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 (79706281) by changing a digit.

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, 468776 + ... + 468945.

It is an arithmetic number, because the mean of its divisors is an integer number (12659247).

Almost surely, 2^79706285 is an apocalyptic number.

It is an amenable number.

79706285 is a deficient number, since it is larger than the sum of its proper divisors (21567691).

79706285 is a wasteful number, since it uses less digits than its factorization.

79706285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937743.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 79706285 is about 8927.8376441331. The cubic root of 79706285 is about 430.3589665193.

The spelling of 79706285 in words is "seventy-nine million, seven hundred six thousand, two hundred eighty-five".