284787480365 has 32 divisors (see below), whose sum is σ = 353671059456. Its totient is φ = 219917767680.

The previous prime is 284787480361. The next prime is 284787480377. The reversal of 284787480365 is 563084787482.

It is not a de Polignac number, because 284787480365 - 2² = 284787480361 is a prime.

It is a super-2 number, since 2×284787480365² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 284787480298 and 284787480307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284787480361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162456329 + ... + 162458081.

It is an arithmetic number, because the mean of its divisors is an integer number (11052220608).

Almost surely, 2^284787480365 is an apocalyptic number.

It is an amenable number.

284787480365 is a deficient number, since it is larger than the sum of its proper divisors (68883579091).

284787480365 is a wasteful number, since it uses less digits than its factorization.

284787480365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869.

The product of its (nonzero) digits is 72253440, while the sum is 62.

The spelling of 284787480365 in words is "two hundred eighty-four billion, seven hundred eighty-seven million, four hundred eighty thousand, three hundred sixty-five".