79254785 has 4 divisors (see below), whose sum is σ = 95105748. Its totient is φ = 63403824.

The previous prime is 79254779. The next prime is 79254809. The reversal of 79254785 is 58745297.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57501889 + 21752896 = 7583^2 + 4664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79254785 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 7925474 + ... + 7925483.

It is an arithmetic number, because the mean of its divisors is an integer number (23776437).

Almost surely, 2^79254785 is an apocalyptic number.

It is an amenable number.

79254785 is a deficient number, since it is larger than the sum of its proper divisors (15850963).

79254785 is a wasteful number, since it uses less digits than its factorization.

79254785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15850962.

The product of its digits is 705600, while the sum is 47.

The square root of 79254785 is about 8902.5156557009. The cubic root of 79254785 is about 429.5448311408.

The spelling of 79254785 in words is "seventy-nine million, two hundred fifty-four thousand, seven hundred eighty-five".