705487077 has 24 divisors (see below), whose sum is σ = 1058083936. Its totient is φ = 469744272.

The previous prime is 705487051. The next prime is 705487087. The reversal of 705487077 is 770784507.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-705487077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705487087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299418 + ... + 301764.

Almost surely, 2^705487077 is an apocalyptic number.

It is an amenable number.

705487077 is a deficient number, since it is larger than the sum of its proper divisors (352596859).

705487077 is a wasteful number, since it uses less digits than its factorization.

705487077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 45.

The square root of 705487077 is about 26561.0067015541. The cubic root of 705487077 is about 890.2179649629.

The spelling of 705487077 in words is "seven hundred five million, four hundred eighty-seven thousand, seventy-seven".