8708993940 has 24 divisors (see below), whose sum is σ = 24385183200. Its totient is φ = 2322398368.

The previous prime is 8708993933. The next prime is 8708993981. The reversal of 8708993940 is 493998078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72574890 + ... + 72575009.

It is an arithmetic number, because the mean of its divisors is an integer number (1016049300).

Almost surely, 2^8708993940 is an apocalyptic number.

It is an amenable number.

8708993940 is an abundant number, since it is smaller than the sum of its proper divisors (15676189260).

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

8708993940 is a wasteful number, since it uses less digits than its factorization.

8708993940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145149911 (or 145149909 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 8708993940 is about 93321.9906560078. The cubic root of 8708993940 is about 2057.4186049700.

The spelling of 8708993940 in words is "eight billion, seven hundred eight million, nine hundred ninety-three thousand, nine hundred forty".