8475009012 has 18 divisors (see below), whose sum is σ = 21422939538. Its totient is φ = 2825002992.

The previous prime is 8475008939. The next prime is 8475009013. The reversal of 8475009012 is 2109005748.

It can be written as a sum of positive squares in only one way, i.e., 8360176356 + 114832656 = 91434^2 + 10716^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×8475009012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 235416917 = 8475009012 / (8 + 4 + 7 + 5 + 0 + 0 + 9 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8475009013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117708423 + ... + 117708494.

Almost surely, 2^8475009012 is an apocalyptic number.

It is an amenable number.

8475009012 is an abundant number, since it is smaller than the sum of its proper divisors (12947930526).

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

8475009012 is a wasteful number, since it uses less digits than its factorization.

8475009012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235416927 (or 235416922 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 8475009012 is about 92059.8121440621. The cubic root of 8475009012 is about 2038.8254975129.

The spelling of 8475009012 in words is "eight billion, four hundred seventy-five million, nine thousand, twelve".