8128622953476 has 45 divisors (see below), whose sum is σ = 21249960214021. Its totient is φ = 2709523878048.

The previous prime is 8128622953457. The next prime is 8128622953501. The reversal of 8128622953476 is 6743592268218.

The square root of 8128622953476 is 2851074.

It is a perfect power (a square), and thus also a powerful number.

8128622953476 is a `hidden beast` number, since 8 + 1 + 2 + 8 + 6 + 2 + 29 + 534 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7968482122500 + 160140830976 = 2822850^2 + 400176^2 .

It is a super-2 number, since 2×8128622953476² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 14 ways as a sum of consecutive naturals, for example, 51240136 + ... + 51398528.

Almost surely, 2^{8128622953476} is an apocalyptic number.

8128622953476 is the 2851074-th square number.

It is an amenable number.

8128622953476 is an abundant number, since it is smaller than the sum of its proper divisors (13121337260545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8128622953476 is an frugal number, since it uses more digits than its factorization.

8128622953476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316802 (or 158398 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 8128622953476 in words is "eight trillion, one hundred twenty-eight billion, six hundred twenty-two million, nine hundred fifty-three thousand, four hundred seventy-six".