605140077 has 4 divisors (see below), whose sum is σ = 806853440. Its totient is φ = 403426716.

The previous prime is 605140043. The next prime is 605140099. The reversal of 605140077 is 770041506.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 605140077 - 2¹² = 605135981 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 (605140027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 100856677 + ... + 100856682.

It is an arithmetic number, because the mean of its divisors is an integer number (201713360).

Almost surely, 2^605140077 is an apocalyptic number.

It is an amenable number.

605140077 is a deficient number, since it is larger than the sum of its proper divisors (201713363).

605140077 is a wasteful number, since it uses less digits than its factorization.

605140077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201713362.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 605140077 is about 24599.5950576427. The cubic root of 605140077 is about 845.8343250400.

The spelling of 605140077 in words is "six hundred five million, one hundred forty thousand, seventy-seven".