84884545450 has 12 divisors (see below), whose sum is σ = 157885254630. Its totient is φ = 33953818160.

The previous prime is 84884545351. The next prime is 84884545451. The reversal of 84884545450 is 5454548848.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 43688942361 + 41195603089 = 209019^2 + 202967^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84884545391 and 84884545400.

It is not an unprimeable number, because it can be changed into a prime (84884545451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 848845405 + ... + 848845504.

Almost surely, 2^84884545450 is an apocalyptic number.

84884545450 is a deficient number, since it is larger than the sum of its proper divisors (73000709180).

84884545450 is a wasteful number, since it uses less digits than its factorization.

84884545450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697690921 (or 1697690916 counting only the distinct ones).

The product of its (nonzero) digits is 16384000, while the sum is 55.

The spelling of 84884545450 in words is "eighty-four billion, eight hundred eighty-four million, five hundred forty-five thousand, four hundred fifty".