611700617 has 12 divisors (see below), whose sum is σ = 701601600. Its totient is φ = 531911160.

The previous prime is 611700589. The next prime is 611700631. The reversal of 611700617 is 716007116.

It is not a de Polignac number, because 611700617 - 2¹⁶ = 611635081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 611700617.

It is not an unprimeable number, because it can be changed into a prime (611700517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107117 + ... + 112682.

It is an arithmetic number, because the mean of its divisors is an integer number (58466800).

Almost surely, 2^611700617 is an apocalyptic number.

It is an amenable number.

611700617 is a deficient number, since it is larger than the sum of its proper divisors (89900983).

611700617 is a wasteful number, since it uses less digits than its factorization.

611700617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219844 (or 219833 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 611700617 is about 24732.5820932631. The cubic root of 611700617 is about 848.8800091058.

The spelling of 611700617 in words is "six hundred eleven million, seven hundred thousand, six hundred seventeen".