7555428607 has 2 divisors, whose sum is σ = 7555428608. Its totient is φ = 7555428606.

The previous prime is 7555428599. The next prime is 7555428611. The reversal of 7555428607 is 7068245557.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7555428607 - 2³ = 7555428599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7555428007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777714303 + 3777714304.

It is an arithmetic number, because the mean of its divisors is an integer number (3777714304).

Almost surely, 2^7555428607 is an apocalyptic number.

7555428607 is a deficient number, since it is larger than the sum of its proper divisors (1).

7555428607 is an equidigital number, since it uses as much as digits as its factorization.

7555428607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The square root of 7555428607 is about 86921.9684947367. The cubic root of 7555428607 is about 1962.2441156198.

The spelling of 7555428607 in words is "seven billion, five hundred fifty-five million, four hundred twenty-eight thousand, six hundred seven".