79086782955625 has 15 divisors (see below), whose sum is σ = 98827121801793. Its totient is φ = 63269248503000.

The previous prime is 79086782955611. The next prime is 79086782955647. The reversal of 79086782955625 is 52655928768097.

The square root of 79086782955625 is 8893075.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 6200403783721 + 72886379171904 = 2490061^2 + 8537352^2 .

It is not a de Polignac number, because 79086782955625 - 2²¹ = 79086780858473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 222149014 + ... + 222504736.

Almost surely, 2^{79086782955625} is an apocalyptic number.

79086782955625 is the 8893075-th square number.

79086782955625 is the 4446538-th centered octagonal number.

It is an amenable number.

79086782955625 is a deficient number, since it is larger than the sum of its proper divisors (19740338846168).

79086782955625 is an frugal number, since it uses more digits than its factorization.

79086782955625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711466 (or 355728 counting only the distinct ones).

The product of its (nonzero) digits is 4572288000, while the sum is 79.

The spelling of 79086782955625 in words is "seventy-nine trillion, eighty-six billion, seven hundred eighty-two million, nine hundred fifty-five thousand, six hundred twenty-five".