7967437702225 has 9 divisors (see below), whose sum is σ = 9879640251313. Its totient is φ = 6373938871120.

The previous prime is 7967437702223. The next prime is 7967437702229. The reversal of 7967437702225 is 5222077347697.

The square root of 7967437702225 is 2822665.

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 1343691317329 + 6623746384896 = 1159177^2 + 2573664^2 .

It is not a de Polignac number, because 7967437702225 - 2¹ = 7967437702223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7967437702223) 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 in 8 ways as a sum of consecutive naturals, for example, 13831059 + ... + 14395591.

Almost surely, 2^{7967437702225} is an apocalyptic number.

7967437702225 is the 2822665-th square number.

7967437702225 is the 1411333-rd centered octagonal number.

It is an amenable number.

7967437702225 is a deficient number, since it is larger than the sum of its proper divisors (1912202549088).

7967437702225 is an frugal number, since it uses more digits than its factorization.

7967437702225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129076 (or 564538 counting only the distinct ones).

The product of its (nonzero) digits is 62233920, while the sum is 61.

The spelling of 7967437702225 in words is "seven trillion, nine hundred sixty-seven billion, four hundred thirty-seven million, seven hundred two thousand, two hundred twenty-five".