7087660849 has 2 divisors, whose sum is σ = 7087660850. Its totient is φ = 7087660848.

The previous prime is 7087660843. The next prime is 7087660873. The reversal of 7087660849 is 9480667807.

7087660849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4873017249 + 2214643600 = 69807^2 + 47060^2 .

It is a cyclic number.

It is not a de Polignac number, because 7087660849 - 2⁵ = 7087660817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7087660849.

It is not a weakly prime, because it can be changed into another prime (7087660843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3543830424 + 3543830425.

It is an arithmetic number, because the mean of its divisors is an integer number (3543830425).

Almost surely, 2^7087660849 is an apocalyptic number.

It is an amenable number.

7087660849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7087660849 is an equidigital number, since it uses as much as digits as its factorization.

7087660849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 7087660849 is about 84188.2465015159. The cubic root of 7087660849 is about 1920.8832785796.

The spelling of 7087660849 in words is "seven billion, eighty-seven million, six hundred sixty thousand, eight hundred forty-nine".