670707077 has 8 divisors (see below), whose sum is σ = 694995840. Its totient is φ = 646813440.

The previous prime is 670707067. The next prime is 670707101. The reversal of 670707077 is 770707076.

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 670707077 - 2²⁸ = 402271621 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 (670707047) 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 7 ways as a sum of consecutive naturals, for example, 95324 + ... + 102117.

It is an arithmetic number, because the mean of its divisors is an integer number (86874480).

Almost surely, 2^670707077 is an apocalyptic number.

It is an amenable number.

670707077 is a deficient number, since it is larger than the sum of its proper divisors (24288763).

670707077 is a wasteful number, since it uses less digits than its factorization.

670707077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197563.

The product of its (nonzero) digits is 100842, while the sum is 41.

The square root of 670707077 is about 25898.0129932781. The cubic root of 670707077 is about 875.3417231789.

Subtracting 670707077 from its reverse (770707076), we obtain a palindrome (99999999).

It can be divided in two parts, 67070 and 7077, that added together give a palindrome (74147).

The spelling of 670707077 in words is "six hundred seventy million, seven hundred seven thousand, seventy-seven".