8456780475 has 144 divisors (see below), whose sum is σ = 18843106464. Its totient is φ = 3561984000.

The previous prime is 8456780473. The next prime is 8456780531. The reversal of 8456780475 is 5740876548.

8456780475 is a `hidden beast` number, since 8 + 4 + 567 + 8 + 0 + 4 + 75 = 666.

It is not a de Polignac number, because 8456780475 - 2¹ = 8456780473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8456780473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 539245 + ... + 554705.

It is an arithmetic number, because the mean of its divisors is an integer number (130854906).

Almost surely, 2^8456780475 is an apocalyptic number.

8456780475 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8456780475 is an abundant number, since it is smaller than the sum of its proper divisors (10386325989).

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

8456780475 is a wasteful number, since it uses less digits than its factorization.

8456780475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15518 (or 15510 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The square root of 8456780475 is about 91960.7550806321. The cubic root of 8456780475 is about 2037.3627071980.

The spelling of 8456780475 in words is "eight billion, four hundred fifty-six million, seven hundred eighty thousand, four hundred seventy-five".