3500878968 has 160 divisors (see below), whose sum is σ = 9997020000. Its totient is φ = 1144454400.

The previous prime is 3500878961. The next prime is 3500878973. The reversal of 3500878968 is 8698780053.

It is a happy number.

3500878968 is a `hidden beast` number, since 3 + 500 + 8 + 78 + 9 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500878961) 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, 9751573 + ... + 9751931.

It is an arithmetic number, because the mean of its divisors is an integer number (62481375).

Almost surely, 2^3500878968 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 3500878968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4998510000).

3500878968 is an abundant number, since it is smaller than the sum of its proper divisors (6496141032).

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

3500878968 is a wasteful number, since it uses less digits than its factorization.

3500878968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 3500878968 is about 59168.2260001092. The cubic root of 3500878968 is about 1518.4215736110.

The spelling of 3500878968 in words is "three billion, five hundred million, eight hundred seventy-eight thousand, nine hundred sixty-eight".