83550270000 has 200 divisors, whose sum is σ = 278414878720. Its totient is φ = 21561120000.

The previous prime is 83550269987. The next prime is 83550270007. The reversal of 83550270000 is 7205538.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 83550270000.

It is not an unprimeable number, because it can be changed into a prime (83550270007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 885081 + ... + 974919.

Almost surely, 2^83550270000 is an apocalyptic number.

83550270000 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 83550270000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139207439360).

83550270000 is an abundant number, since it is smaller than the sum of its proper divisors (194864608720).

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

83550270000 is a wasteful number, since it uses less digits than its factorization.

83550270000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89901 (or 89880 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 83550270000 its reverse (7205538), we get a palindrome (83557475538).

The spelling of 83550270000 in words is "eighty-three billion, five hundred fifty million, two hundred seventy thousand".