7057688089 has 2 divisors, whose sum is σ = 7057688090. Its totient is φ = 7057688088.

The previous prime is 7057688063. The next prime is 7057688093. The reversal of 7057688089 is 9808867507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6005010064 + 1052678025 = 77492^2 + 32445^2 .

It is an emirp because it is prime and its reverse (9808867507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7057688089 - 2³¹ = 4910204441 is a prime.

It is a super-2 number, since 2×7057688089² = 99621922323224943842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7057688489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3528844044 + 3528844045.

It is an arithmetic number, because the mean of its divisors is an integer number (3528844045).

Almost surely, 2^7057688089 is an apocalyptic number.

It is an amenable number.

7057688089 is a deficient number, since it is larger than the sum of its proper divisors (1).

7057688089 is an equidigital number, since it uses as much as digits as its factorization.

7057688089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The square root of 7057688089 is about 84010.0475478975. The cubic root of 7057688089 is about 1918.1717341207.

The spelling of 7057688089 in words is "seven billion, fifty-seven million, six hundred eighty-eight thousand, eighty-nine".