611728607 has 8 divisors (see below), whose sum is σ = 700252800. Its totient is φ = 523488024.

The previous prime is 611728573. The next prime is 611728609. The reversal of 611728607 is 706827116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611728607 - 2¹⁶ = 611663071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611728609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66257 + ... + 74922.

It is an arithmetic number, because the mean of its divisors is an integer number (87531600).

Almost surely, 2^611728607 is an apocalyptic number.

611728607 is a deficient number, since it is larger than the sum of its proper divisors (88524193).

611728607 is a wasteful number, since it uses less digits than its factorization.

611728607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141805.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 611728607 is about 24733.1479395567. The cubic root of 611728607 is about 848.8929565011.

The spelling of 611728607 in words is "six hundred eleven million, seven hundred twenty-eight thousand, six hundred seven".