704118557 has 2 divisors, whose sum is σ = 704118558. Its totient is φ = 704118556.

The previous prime is 704118553. The next prime is 704118559. The reversal of 704118557 is 755811407.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 642825316 + 61293241 = 25354^2 + 7829^2 .

It is a cyclic number.

It is not a de Polignac number, because 704118557 - 2² = 704118553 is a prime.

Together with 704118559, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 704118557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704118553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352059278 + 352059279.

It is an arithmetic number, because the mean of its divisors is an integer number (352059279).

Almost surely, 2^704118557 is an apocalyptic number.

It is an amenable number.

704118557 is a deficient number, since it is larger than the sum of its proper divisors (1).

704118557 is an equidigital number, since it uses as much as digits as its factorization.

704118557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 704118557 is about 26535.2323713210. The cubic root of 704118557 is about 889.6419706232.

The spelling of 704118557 in words is "seven hundred four million, one hundred eighteen thousand, five hundred fifty-seven".