8534788454 has 4 divisors (see below), whose sum is σ = 12802182684. Its totient is φ = 4267394226.

The previous prime is 8534788447. The next prime is 8534788459. The reversal of 8534788454 is 4548874358.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8534788454² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8534788454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8534788459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133697112 + ... + 2133697115.

It is an arithmetic number, because the mean of its divisors is an integer number (3200545671).

Almost surely, 2^8534788454 is an apocalyptic number.

8534788454 is a deficient number, since it is larger than the sum of its proper divisors (4267394230).

8534788454 is a wasteful number, since it uses less digits than its factorization.

8534788454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267394229.

The product of its digits is 17203200, while the sum is 56.

The square root of 8534788454 is about 92383.9188062511. The cubic root of 8534788454 is about 2043.6079665200.

The spelling of 8534788454 in words is "eight billion, five hundred thirty-four million, seven hundred eighty-eight thousand, four hundred fifty-four".