611670677 has 4 divisors (see below), whose sum is σ = 626589516. Its totient is φ = 596751840.

The previous prime is 611670637. The next prime is 611670701. The reversal of 611670677 is 776076116.

611670677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 229037956 + 382632721 = 15134^2 + 19561^2 .

It is a cyclic number.

It is not a de Polignac number, because 611670677 - 2¹⁴ = 611654293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 14918797 = 611670677 / (6 + 1 + 1 + 6 + 7 + 0 + 6 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611670637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7459358 + ... + 7459439.

It is an arithmetic number, because the mean of its divisors is an integer number (156647379).

Almost surely, 2^611670677 is an apocalyptic number.

It is an amenable number.

611670677 is a deficient number, since it is larger than the sum of its proper divisors (14918839).

611670677 is a wasteful number, since it uses less digits than its factorization.

611670677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14918838.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 611670677 is about 24731.9768114075. The cubic root of 611670677 is about 848.8661592576.

The spelling of 611670677 in words is "six hundred eleven million, six hundred seventy thousand, six hundred seventy-seven".