8261467479 has 8 divisors (see below), whose sum is σ = 12239211120. Its totient is φ = 5507644968.

The previous prime is 8261467471. The next prime is 8261467517. The reversal of 8261467479 is 9747641628.

8261467479 is a `hidden beast` number, since 8 + 26 + 146 + 7 + 479 = 666.

It is not a de Polignac number, because 8261467479 - 2³ = 8261467471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8261467471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152990112 + ... + 152990165.

It is an arithmetic number, because the mean of its divisors is an integer number (1529901390).

Almost surely, 2^8261467479 is an apocalyptic number.

8261467479 is a deficient number, since it is larger than the sum of its proper divisors (3977743641).

8261467479 is a wasteful number, since it uses less digits than its factorization.

8261467479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305980286 (or 305980280 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 8261467479 is about 90892.6150960572. The cubic root of 8261467479 is about 2021.5557957554. Note that the first 3 decimals are identical.

The spelling of 8261467479 in words is "eight billion, two hundred sixty-one million, four hundred sixty-seven thousand, four hundred seventy-nine".