8012905479 has 20 divisors (see below), whose sum is σ = 12261849600. Its totient is φ = 5211643680.

The previous prime is 8012905471. The next prime is 8012905519. The reversal of 8012905479 is 9745092108.

8012905479 is a `hidden beast` number, since 8 + 0 + 12 + 90 + 547 + 9 = 666.

It is not a de Polignac number, because 8012905479 - 2³ = 8012905471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012905471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1203079 + ... + 1209720.

It is an arithmetic number, because the mean of its divisors is an integer number (613092480).

Almost surely, 2^8012905479 is an apocalyptic number.

8012905479 is a deficient number, since it is larger than the sum of its proper divisors (4248944121).

8012905479 is a wasteful number, since it uses less digits than its factorization.

8012905479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412852 (or 2412843 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 8012905479 is about 89514.8338489214. The cubic root of 8012905479 is about 2001.0748787976.

The spelling of 8012905479 in words is "eight billion, twelve million, nine hundred five thousand, four hundred seventy-nine".