850200000 has 336 divisors, whose sum is σ = 3055741920. Its totient is φ = 207360000.

The previous prime is 850199981. The next prime is 850200077. The reversal of 850200000 is 2058.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7799946 + ... + 7800054.

It is an arithmetic number, because the mean of its divisors is an integer number (9094470).

Almost surely, 2^850200000 is an apocalyptic number.

850200000 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 850200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527870960).

850200000 is an abundant number, since it is smaller than the sum of its proper divisors (2205541920).

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

850200000 is a wasteful number, since it uses less digits than its factorization.

850200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 850200000 is about 29158.1892441900. The cubic root of 850200000 is about 947.3425269076.

Adding to 850200000 its reverse (2058), we get a palindrome (850202058).

The spelling of 850200000 in words is "eight hundred fifty million, two hundred thousand".