700784666 has 4 divisors (see below), whose sum is σ = 1051177002. Its totient is φ = 350392332.

The previous prime is 700784663. The next prime is 700784683. The reversal of 700784666 is 666487007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666487007 = 73 ⋅9129959.

It can be written as a sum of positive squares in only one way, i.e., 450670441 + 250114225 = 21229^2 + 15815^2 .

It is not an unprimeable number, because it can be changed into a prime (700784663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175196165 + ... + 175196168.

Almost surely, 2^700784666 is an apocalyptic number.

700784666 is a deficient number, since it is larger than the sum of its proper divisors (350392336).

700784666 is a wasteful number, since it uses less digits than its factorization.

700784666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350392335.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 700784666 is about 26472.3377509430. The cubic root of 700784666 is about 888.2356436084.

The spelling of 700784666 in words is "seven hundred million, seven hundred eighty-four thousand, six hundred sixty-six".