616878108 has 144 divisors (see below), whose sum is σ = 1959310080. Its totient is φ = 158976000.

The previous prime is 616878107. The next prime is 616878121. The reversal of 616878108 is 801878616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616878103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384508 + ... + 386108.

It is an arithmetic number, because the mean of its divisors is an integer number (13606320).

Almost surely, 2^616878108 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 616878108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979655040).

616878108 is an abundant number, since it is smaller than the sum of its proper divisors (1342431972).

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

616878108 is a wasteful number, since it uses less digits than its factorization.

616878108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 616878108 is about 24837.0309819833. The cubic root of 616878108 is about 851.2682833569.

The spelling of 616878108 in words is "six hundred sixteen million, eight hundred seventy-eight thousand, one hundred eight".