84395520000 has 1300 divisors, whose sum is σ = 352970307096. Its totient is φ = 19906560000.

The previous prime is 84395519983. The next prime is 84395520019. The reversal of 84395520000 is 2559348.

84395520000 is a `hidden beast` number, since 8 + 43 + 95 + 520 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 2280959982 + ... + 2280960018.

Almost surely, 2^84395520000 is an apocalyptic number.

84395520000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84395520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176485153548).

84395520000 is an abundant number, since it is smaller than the sum of its proper divisors (268574787096).

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

84395520000 is an equidigital number, since it uses as much as digits as its factorization.

84395520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

It can be divided in two parts, 843955 and 20000, that added together give a triangular number (863955 = T₁₃₁₄).

The spelling of 84395520000 in words is "eighty-four billion, three hundred ninety-five million, five hundred twenty thousand".