7766725606225 has 12 divisors (see below), whose sum is σ = 9641597433984. Its totient is φ = 6206375528720.

The previous prime is 7766725606163. The next prime is 7766725606313. The reversal of 7766725606225 is 5226065276677.

It is not a de Polignac number, because 7766725606225 - 2³¹ = 7764578122577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175101289 + ... + 175145638.

It is an arithmetic number, because the mean of its divisors is an integer number (803466452832).

Almost surely, 2^{7766725606225} is an apocalyptic number.

It is an amenable number.

7766725606225 is a deficient number, since it is larger than the sum of its proper divisors (1874871827759).

7766725606225 is a wasteful number, since it uses less digits than its factorization.

7766725606225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350247824 (or 350247819 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 61.

The spelling of 7766725606225 in words is "seven trillion, seven hundred sixty-six billion, seven hundred twenty-five million, six hundred six thousand, two hundred twenty-five".