8479452280 has 32 divisors (see below), whose sum is σ = 20546366400. Its totient is φ = 3130874496.

The previous prime is 8479452271. The next prime is 8479452299. The reversal of 8479452280 is 822549748.

It is a super-2 number, since 2×8479452280² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

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, 8152800 + ... + 8153839.

It is an arithmetic number, because the mean of its divisors is an integer number (642073950).

Almost surely, 2^8479452280 is an apocalyptic number.

It is an amenable number.

8479452280 is an abundant number, since it is smaller than the sum of its proper divisors (12066914120).

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

8479452280 is a wasteful number, since it uses less digits than its factorization.

8479452280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306663 (or 16306659 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 8479452280 is about 92083.9414881878. The cubic root of 8479452280 is about 2039.1817396275.

The spelling of 8479452280 in words is "eight billion, four hundred seventy-nine million, four hundred fifty-two thousand, two hundred eighty".