705604877 has 2 divisors, whose sum is σ = 705604878. Its totient is φ = 705604876.

The previous prime is 705604859. The next prime is 705604891. The reversal of 705604877 is 778406507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668015716 + 37589161 = 25846^2 + 6131^2 .

It is an emirp because it is prime and its reverse (778406507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705604877 - 2¹² = 705600781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705604477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352802438 + 352802439.

It is an arithmetic number, because the mean of its divisors is an integer number (352802439).

Almost surely, 2^705604877 is an apocalyptic number.

It is an amenable number.

705604877 is a deficient number, since it is larger than the sum of its proper divisors (1).

705604877 is an equidigital number, since it uses as much as digits as its factorization.

705604877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 705604877 is about 26563.2241454233. The cubic root of 705604877 is about 890.2675107984.

The spelling of 705604877 in words is "seven hundred five million, six hundred four thousand, eight hundred seventy-seven".