7687333680425 has 36 divisors (see below), whose sum is σ = 11359040029596. Its totient is φ = 5142745843200.

The previous prime is 7687333680421. The next prime is 7687333680469. The reversal of 7687333680425 is 5240863337867.

It can be written as a sum of positive squares in 6 ways, for example, as 716804369449 + 6970529310976 = 846643^2 + 2640176^2 .

It is not a de Polignac number, because 7687333680425 - 2² = 7687333680421 is a prime.

It is a super-2 number, since 2×7687333680425² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7687333680421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76478732 + ... + 76579181.

It is an arithmetic number, because the mean of its divisors is an integer number (315528889711).

Almost surely, 2^{7687333680425} is an apocalyptic number.

It is an amenable number.

7687333680425 is a deficient number, since it is larger than the sum of its proper divisors (3671706349171).

7687333680425 is a wasteful number, since it uses less digits than its factorization.

7687333680425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153057978 (or 153057966 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 62.

The spelling of 7687333680425 in words is "seven trillion, six hundred eighty-seven billion, three hundred thirty-three million, six hundred eighty thousand, four hundred twenty-five".