8456387475 has 24 divisors (see below), whose sum is σ = 14717083840. Its totient is φ = 4272700320.

The previous prime is 8456387453. The next prime is 8456387507. The reversal of 8456387475 is 5747836548.

It is not a de Polignac number, because 8456387475 - 2¹⁰ = 8456386451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2965729 + ... + 2968578.

Almost surely, 2^8456387475 is an apocalyptic number.

8456387475 is a deficient number, since it is larger than the sum of its proper divisors (6260696365).

8456387475 is a wasteful number, since it uses less digits than its factorization.

8456387475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934339 (or 5934334 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 57.

The square root of 8456387475 is about 91958.6182747436. The cubic root of 8456387475 is about 2037.3311468838.

The spelling of 8456387475 in words is "eight billion, four hundred fifty-six million, three hundred eighty-seven thousand, four hundred seventy-five".