8459239972 has 12 divisors (see below), whose sum is σ = 14804733916. Its totient is φ = 4229316000.

The previous prime is 8459239969. The next prime is 8459240011. The reversal of 8459239972 is 2799329548.

It can be written as a sum of positive squares in 2 ways, for example, as 828518656 + 7630721316 = 28784^2 + 87354^2 .

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, 6279 + ... + 130222.

Almost surely, 2^8459239972 is an apocalyptic number.

It is an amenable number.

8459239972 is a deficient number, since it is larger than the sum of its proper divisors (6345493944).

8459239972 is a wasteful number, since it uses less digits than its factorization.

8459239972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151998 (or 151996 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

The square root of 8459239972 is about 91974.1266443993. The cubic root of 8459239972 is about 2037.5601977121.

The spelling of 8459239972 in words is "eight billion, four hundred fifty-nine million, two hundred thirty-nine thousand, nine hundred seventy-two".