8117980 has 24 divisors (see below), whose sum is σ = 18359712. Its totient is φ = 2997312.

The previous prime is 8117969. The next prime is 8118023. The reversal of 8117980 is 897118.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15352 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (764988).

Almost surely, 2^8117980 is an apocalyptic number.

It is an amenable number.

8117980 is an abundant number, since it is smaller than the sum of its proper divisors (10241732).

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

8117980 is a wasteful number, since it uses less digits than its factorization.

8117980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31245 (or 31243 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 8117980 is about 2849.2069071936. The cubic root of 8117980 is about 200.9783727958.

The spelling of 8117980 in words is "eight million, one hundred seventeen thousand, nine hundred eighty".