7657607 has 2 divisors, whose sum is σ = 7657608. Its totient is φ = 7657606.

The previous prime is 7657591. The next prime is 7657609. The reversal of 7657607 is 7067567.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7657607 - 2⁴ = 7657591 is a prime.

Together with 7657609, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7657609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3828803 + 3828804.

It is an arithmetic number, because the mean of its divisors is an integer number (3828804).

Almost surely, 2^7657607 is an apocalyptic number.

7657607 is a deficient number, since it is larger than the sum of its proper divisors (1).

7657607 is an equidigital number, since it uses as much as digits as its factorization.

7657607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 7657607 is about 2767.2381538277. The cubic root of 7657607 is about 197.1050227202.

The spelling of 7657607 in words is "seven million, six hundred fifty-seven thousand, six hundred seven".