8279697980 has 12 divisors (see below), whose sum is σ = 17387365800. Its totient is φ = 3311879184.

The previous prime is 8279697949. The next prime is 8279697997. The reversal of 8279697980 is 897969728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206992430 + ... + 206992469.

It is an arithmetic number, because the mean of its divisors is an integer number (1448947150).

Almost surely, 2^8279697980 is an apocalyptic number.

It is an amenable number.

8279697980 is an abundant number, since it is smaller than the sum of its proper divisors (9107667820).

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

8279697980 is a wasteful number, since it uses less digits than its factorization.

8279697980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413984908 (or 413984906 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 65.

The square root of 8279697980 is about 90992.8457627302. The cubic root of 8279697980 is about 2023.0416859155.

The spelling of 8279697980 in words is "eight billion, two hundred seventy-nine million, six hundred ninety-seven thousand, nine hundred eighty".