7688457107 has 2 divisors, whose sum is σ = 7688457108. Its totient is φ = 7688457106.

The previous prime is 7688457083. The next prime is 7688457121. The reversal of 7688457107 is 7017548867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7688457107 is a prime.

It is a super-2 number, since 2×7688457107² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7688457167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3844228553 + 3844228554.

It is an arithmetic number, because the mean of its divisors is an integer number (3844228554).

Almost surely, 2^7688457107 is an apocalyptic number.

7688457107 is a deficient number, since it is larger than the sum of its proper divisors (1).

7688457107 is an equidigital number, since it uses as much as digits as its factorization.

7688457107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2634240, while the sum is 53.

The square root of 7688457107 is about 87683.8474691890. The cubic root of 7688457107 is about 1973.6935958623.

The spelling of 7688457107 in words is "seven billion, six hundred eighty-eight million, four hundred fifty-seven thousand, one hundred seven".