700116561 has 8 divisors (see below), whose sum is σ = 1037209760. Its totient is φ = 466744356.

The previous prime is 700116509. The next prime is 700116563. The reversal of 700116561 is 165611007.

700116561 is a `hidden beast` number, since 7 + 0 + 0 + 1 + 1 + 656 + 1 = 666.

It is not a de Polignac number, because 700116561 - 2¹³ = 700108369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 25930243 = 700116561 / (7 + 0 + 0 + 1 + 1 + 6 + 5 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700116563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12965095 + ... + 12965148.

It is an arithmetic number, because the mean of its divisors is an integer number (129651220).

Almost surely, 2^700116561 is an apocalyptic number.

It is an amenable number.

700116561 is a deficient number, since it is larger than the sum of its proper divisors (337093199).

700116561 is a wasteful number, since it uses less digits than its factorization.

700116561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25930252 (or 25930246 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 700116561 is about 26459.7158148004. The cubic root of 700116561 is about 887.9532823304.

Adding to 700116561 its reverse (165611007), we get a palindrome (865727568).

The spelling of 700116561 in words is "seven hundred million, one hundred sixteen thousand, five hundred sixty-one".