284665620548 has 12 divisors (see below), whose sum is σ = 498173233152. Its totient is φ = 142330411080.

The previous prime is 284665620523. The next prime is 284665620571. The reversal of 284665620548 is 845026566482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 284665620493 and 284665620502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318140 + ... + 818867.

It is an arithmetic number, because the mean of its divisors is an integer number (41514436096).

Almost surely, 2^284665620548 is an apocalyptic number.

It is an amenable number.

284665620548 is a deficient number, since it is larger than the sum of its proper divisors (213507612604).

284665620548 is a wasteful number, since it uses less digits than its factorization.

284665620548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199602 (or 1199600 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 56.

The spelling of 284665620548 in words is "two hundred eighty-four billion, six hundred sixty-five million, six hundred twenty thousand, five hundred forty-eight".