8288428473 has 12 divisors (see below), whose sum is σ = 12893111140. Its totient is φ = 5100571296.

The previous prime is 8288428471. The next prime is 8288428481. The reversal of 8288428473 is 3748248828.

It can be written as a sum of positive squares in 2 ways, for example, as 3736632384 + 4551796089 = 61128^2 + 67467^2 .

It is not a de Polignac number, because 8288428473 - 2¹ = 8288428471 is a prime.

It is a super-2 number, since 2×8288428473² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8288428471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35420518 + ... + 35420751.

Almost surely, 2^8288428473 is an apocalyptic number.

It is an amenable number.

8288428473 is a deficient number, since it is larger than the sum of its proper divisors (4604682667).

8288428473 is a wasteful number, since it uses less digits than its factorization.

8288428473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70841288 (or 70841285 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 54.

The square root of 8288428473 is about 91040.8066363650. The cubic root of 8288428473 is about 2023.7524987586.

The spelling of 8288428473 in words is "eight billion, two hundred eighty-eight million, four hundred twenty-eight thousand, four hundred seventy-three".