7691663038628 has 12 divisors (see below), whose sum is σ = 13461839150172. Its totient is φ = 3845423281440.

The previous prime is 7691663038627. The next prime is 7691663038649. The reversal of 7691663038628 is 8268303661967.

It can be written as a sum of positive squares in 2 ways, for example, as 1535101176064 + 6156561862564 = 1238992^2 + 2481242^2 .

It is a super-2 number, since 2×7691663038628² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7691663038627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102017075 + ... + 102092442.

It is an arithmetic number, because the mean of its divisors is an integer number (1121819929181).

Almost surely, 2^{7691663038628} is an apocalyptic number.

It is an amenable number.

7691663038628 is a deficient number, since it is larger than the sum of its proper divisors (5770176111544).

7691663038628 is a wasteful number, since it uses less digits than its factorization.

7691663038628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204118942 (or 204118940 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 65.

The spelling of 7691663038628 in words is "seven trillion, six hundred ninety-one billion, six hundred sixty-three million, thirty-eight thousand, six hundred twenty-eight".