561277706 has 16 divisors (see below), whose sum is σ = 929523168. Its totient is φ = 252051600.

The previous prime is 561277681. The next prime is 561277711. The reversal of 561277706 is 607772165.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 151865 + ... + 155516.

It is an arithmetic number, because the mean of its divisors is an integer number (58095198).

Almost surely, 2^561277706 is an apocalyptic number.

561277706 is a deficient number, since it is larger than the sum of its proper divisors (368245462).

561277706 is a wasteful number, since it uses less digits than its factorization.

561277706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307477.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 561277706 is about 23691.3002175904. The cubic root of 561277706 is about 824.8834636740.

The spelling of 561277706 in words is "five hundred sixty-one million, two hundred seventy-seven thousand, seven hundred six".