84783818448 has 800 divisors, whose sum is σ = 304900485120. Its totient is φ = 22225674240.

The previous prime is 84783818423. The next prime is 84783818467. The reversal of 84783818448 is 84481838748.

84783818448 is a `hidden beast` number, since 8 + 478 + 3 + 81 + 84 + 4 + 8 = 666.

It is a super-3 number, since 3×84783818448³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 874059936 + ... + 874060032.

Almost surely, 2^84783818448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84783818448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152450242560).

84783818448 is an abundant number, since it is smaller than the sum of its proper divisors (220116666672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84783818448 is a wasteful number, since it uses less digits than its factorization.

84783818448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 262 counting only the distinct ones).

The product of its digits is 44040192, while the sum is 63.

The spelling of 84783818448 in words is "eighty-four billion, seven hundred eighty-three million, eight hundred eighteen thousand, four hundred forty-eight".