8876734978225 has 9 divisors (see below), whose sum is σ = 11007169845217. Its totient is φ = 7101376065040.

The previous prime is 8876734978211. The next prime is 8876734978247. The reversal of 8876734978225 is 5228794376788.

The square root of 8876734978225 is 2979385.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1722001009 + 8875012977216 = 41497^2 + 2979096^2 .

It is not a de Polignac number, because 8876734978225 - 2⁵ = 8876734978193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14598987 + ... + 15194863.

Almost surely, 2^{8876734978225} is an apocalyptic number.

8876734978225 is the 2979385-th square number.

8876734978225 is the 1489693-rd centered octagonal number.

It is an amenable number.

8876734978225 is a deficient number, since it is larger than the sum of its proper divisors (2130434866992).

8876734978225 is an frugal number, since it uses more digits than its factorization.

8876734978225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191764 (or 595882 counting only the distinct ones).

The product of its digits is 2275983360, while the sum is 76.

The spelling of 8876734978225 in words is "eight trillion, eight hundred seventy-six billion, seven hundred thirty-four million, nine hundred seventy-eight thousand, two hundred twenty-five".