705876661 has 8 divisors (see below), whose sum is σ = 809296064. Its totient is φ = 603102240.

The previous prime is 705876653. The next prime is 705876673. The reversal of 705876661 is 166678507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 705876661 - 2³ = 705876653 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 (705876641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158895 + ... + 163276.

It is an arithmetic number, because the mean of its divisors is an integer number (101162008).

Almost surely, 2^705876661 is an apocalyptic number.

It is an amenable number.

705876661 is a deficient number, since it is larger than the sum of its proper divisors (103419403).

705876661 is a wasteful number, since it uses less digits than its factorization.

705876661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322491.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 705876661 is about 26568.3394475455. The cubic root of 705876661 is about 890.3818001661.

The spelling of 705876661 in words is "seven hundred five million, eight hundred seventy-six thousand, six hundred sixty-one".