285779616253 has 8 divisors (see below), whose sum is σ = 286334566272. Its totient is φ = 285224817456.

The previous prime is 285779616233. The next prime is 285779616259. The reversal of 285779616253 is 352616977582.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 285779616253 - 2²⁹ = 285242745341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285779616191 and 285779616200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285779616259) 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, 4203376 + ... + 4270822.

It is an arithmetic number, because the mean of its divisors is an integer number (35791820784).

Almost surely, 2^285779616253 is an apocalyptic number.

It is an amenable number.

285779616253 is a deficient number, since it is larger than the sum of its proper divisors (554950019).

285779616253 is an equidigital number, since it uses as much as digits as its factorization.

285779616253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75611.

The product of its digits is 38102400, while the sum is 61.

The spelling of 285779616253 in words is "two hundred eighty-five billion, seven hundred seventy-nine million, six hundred sixteen thousand, two hundred fifty-three".