7348089857 has 2 divisors, whose sum is σ = 7348089858. Its totient is φ = 7348089856.

The previous prime is 7348089821. The next prime is 7348089883. The reversal of 7348089857 is 7589808437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7348089841 + 16 = 85721^2 + 4^2 .

It is an emirp because it is prime and its reverse (7589808437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7348089857 - 2²⁸ = 7079654401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7348089796 and 7348089805.

It is not a weakly prime, because it can be changed into another prime (7348089817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3674044928 + 3674044929.

It is an arithmetic number, because the mean of its divisors is an integer number (3674044929).

Almost surely, 2^7348089857 is an apocalyptic number.

It is an amenable number.

7348089857 is a deficient number, since it is larger than the sum of its proper divisors (1).

7348089857 is an equidigital number, since it uses as much as digits as its factorization.

7348089857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The square root of 7348089857 is about 85721.0000933260. Note that the first 4 decimals coincide. The cubic root of 7348089857 is about 1944.1278403039.

The spelling of 7348089857 in words is "seven billion, three hundred forty-eight million, eighty-nine thousand, eight hundred fifty-seven".