670577077 has 4 divisors (see below), whose sum is σ = 677216556. Its totient is φ = 663937600.

The previous prime is 670577069. The next prime is 670577081. The reversal of 670577077 is 770775076.

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 641406276 + 29170801 = 25326^2 + 5401^2 .

It is a cyclic number.

It is not a de Polignac number, because 670577077 - 2³ = 670577069 is a prime.

It is a super-4 number, since 4×670577077⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670577377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319588 + ... + 3319789.

It is an arithmetic number, because the mean of its divisors is an integer number (169304139).

Almost surely, 2^670577077 is an apocalyptic number.

It is an amenable number.

670577077 is a deficient number, since it is larger than the sum of its proper divisors (6639479).

670577077 is a wasteful number, since it uses less digits than its factorization.

670577077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639478.

The product of its (nonzero) digits is 504210, while the sum is 46.

The square root of 670577077 is about 25895.5030265875. The cubic root of 670577077 is about 875.2851650674.

The spelling of 670577077 in words is "six hundred seventy million, five hundred seventy-seven thousand, seventy-seven".