6627665307 has 16 divisors (see below), whose sum is σ = 9213603840. Its totient is φ = 4232485152.

The previous prime is 6627665281. The next prime is 6627665357. The reversal of 6627665307 is 7035667266.

It is a happy number.

6627665307 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6627665307 - 2⁷ = 6627665179 is a prime.

It is a super-2 number, since 2×6627665307² = 87851894843222808498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6627665357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288873 + ... + 310970.

It is an arithmetic number, because the mean of its divisors is an integer number (575850240).

Almost surely, 2^6627665307 is an apocalyptic number.

6627665307 is a deficient number, since it is larger than the sum of its proper divisors (2585938533).

6627665307 is a wasteful number, since it uses less digits than its factorization.

6627665307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600002.

The product of its (nonzero) digits is 1905120, while the sum is 48.

The square root of 6627665307 is about 81410.4741848369. The cubic root of 6627665307 is about 1878.3947088694.

The spelling of 6627665307 in words is "six billion, six hundred twenty-seven million, six hundred sixty-five thousand, three hundred seven".