8387745451 has 4 divisors (see below), whose sum is σ = 8614441312. Its totient is φ = 8161049592.

The previous prime is 8387745449. The next prime is 8387745461. The reversal of 8387745451 is 1545477838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1545477838 = 2 ⋅772738919.

It is a cyclic number.

It is not a de Polignac number, because 8387745451 - 2¹ = 8387745449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8387745461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113347875 + ... + 113347948.

It is an arithmetic number, because the mean of its divisors is an integer number (2153610328).

Almost surely, 2^8387745451 is an apocalyptic number.

8387745451 is a deficient number, since it is larger than the sum of its proper divisors (226695861).

8387745451 is a wasteful number, since it uses less digits than its factorization.

8387745451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226695860.

The product of its digits is 3763200, while the sum is 52.

The square root of 8387745451 is about 91584.6354526784. The cubic root of 8387745451 is about 2031.8037024498.

The spelling of 8387745451 in words is "eight billion, three hundred eighty-seven million, seven hundred forty-five thousand, four hundred fifty-one".