8408608820 has 48 divisors (see below), whose sum is σ = 18306848448. Its totient is φ = 3241847040.

The previous prime is 8408608811. The next prime is 8408608877. The reversal of 8408608820 is 288068048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6287 + ... + 129833.

It is an arithmetic number, because the mean of its divisors is an integer number (381392676).

Almost surely, 2^8408608820 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 8408608820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9153424224).

8408608820 is an abundant number, since it is smaller than the sum of its proper divisors (9898239628).

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

8408608820 is a wasteful number, since it uses less digits than its factorization.

8408608820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123680 (or 123678 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 8408608820 is about 91698.4668356020. The cubic root of 8408608820 is about 2033.4869188536.

The spelling of 8408608820 in words is "eight billion, four hundred eight million, six hundred eight thousand, eight hundred twenty".