8147056405 has 16 divisors (see below), whose sum is σ = 9943524864. Its totient is φ = 6407199360.

The previous prime is 8147056367. The next prime is 8147056427. The reversal of 8147056405 is 5046507418.

It is not a de Polignac number, because 8147056405 - 2¹⁹ = 8146532117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12820 + ... + 128290.

It is an arithmetic number, because the mean of its divisors is an integer number (621470304).

Almost surely, 2^8147056405 is an apocalyptic number.

It is an amenable number.

8147056405 is a deficient number, since it is larger than the sum of its proper divisors (1796468459).

8147056405 is a wasteful number, since it uses less digits than its factorization.

8147056405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115716.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 8147056405 is about 90261.0458891320. The cubic root of 8147056405 is about 2012.1803691292.

The spelling of 8147056405 in words is "eight billion, one hundred forty-seven million, fifty-six thousand, four hundred five".