8725054478 has 16 divisors (see below), whose sum is σ = 15105330144. Its totient is φ = 3702285600.

The previous prime is 8725054477. The next prime is 8725054523. The reversal of 8725054478 is 8744505278.

It is a super-2 number, since 2×8725054478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725054477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3083825 + ... + 3086652.

It is an arithmetic number, because the mean of its divisors is an integer number (944083134).

Almost surely, 2^8725054478 is an apocalyptic number.

8725054478 is a deficient number, since it is larger than the sum of its proper divisors (6380275666).

8725054478 is a wasteful number, since it uses less digits than its factorization.

8725054478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170587.

The product of its (nonzero) digits is 2508800, while the sum is 50.

The square root of 8725054478 is about 93408.0000749400. Note that the first 4 decimals coincide. The cubic root of 8725054478 is about 2058.6825457748.

The spelling of 8725054478 in words is "eight billion, seven hundred twenty-five million, fifty-four thousand, four hundred seventy-eight".