8208735420 has 96 divisors (see below), whose sum is σ = 24131584512. Its totient is φ = 2080919808.

The previous prime is 8208735407. The next prime is 8208735421. The reversal of 8208735420 is 245378028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208735421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206694 + ... + 243186.

It is an arithmetic number, because the mean of its divisors is an integer number (251370672).

Almost surely, 2^8208735420 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 8208735420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12065792256).

8208735420 is an abundant number, since it is smaller than the sum of its proper divisors (15922849092).

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

8208735420 is a wasteful number, since it uses less digits than its factorization.

8208735420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36691 (or 36689 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 8208735420 is about 90602.0718306154. The cubic root of 8208735420 is about 2017.2454875032.

The spelling of 8208735420 in words is "eight billion, two hundred eight million, seven hundred thirty-five thousand, four hundred twenty".