6845885507 has 2 divisors, whose sum is σ = 6845885508. Its totient is φ = 6845885506.

The previous prime is 6845885471. The next prime is 6845885509. The reversal of 6845885507 is 7055885486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6845885507 - 2¹² = 6845881411 is a prime.

It is a super-2 number, since 2×6845885507² = 93732296749905294098, which contains 22 as substring.

Together with 6845885509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6845885509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422942753 + 3422942754.

It is an arithmetic number, because the mean of its divisors is an integer number (3422942754).

Almost surely, 2^6845885507 is an apocalyptic number.

6845885507 is a deficient number, since it is larger than the sum of its proper divisors (1).

6845885507 is an equidigital number, since it uses as much as digits as its factorization.

6845885507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752000, while the sum is 56.

The square root of 6845885507 is about 82739.8664913112. The cubic root of 6845885507 is about 1898.7882862191.

The spelling of 6845885507 in words is "six billion, eight hundred forty-five million, eight hundred eighty-five thousand, five hundred seven".