7956602355025 has 9 divisors (see below), whose sum is σ = 9866204408881. Its totient is φ = 6365270601040.

The previous prime is 7956602355017. The next prime is 7956602355071. The reversal of 7956602355025 is 5205532066597.

It is a happy number.

The square root of 7956602355025 is 2820745.

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 933169524049 + 7023432830976 = 966007^2 + 2650176^2 .

It is not a de Polignac number, because 7956602355025 - 2³ = 7956602355017 is a prime.

It is a super-2 number, since 2×7956602355025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13821651 + ... + 14385799.

Almost surely, 2^{7956602355025} is an apocalyptic number.

7956602355025 is the 2820745-th square number.

7956602355025 is the 1410373-rd centered octagonal number.

It is an amenable number.

7956602355025 is a deficient number, since it is larger than the sum of its proper divisors (1909602053856).

7956602355025 is an frugal number, since it uses more digits than its factorization.

7956602355025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128308 (or 564154 counting only the distinct ones).

The product of its (nonzero) digits is 17010000, while the sum is 55.

The spelling of 7956602355025 in words is "seven trillion, nine hundred fifty-six billion, six hundred two million, three hundred fifty-five thousand, twenty-five".