670177349623 has 8 divisors (see below), whose sum is σ = 674537906448. Its totient is φ = 665817956544.

The previous prime is 670177349579. The next prime is 670177349683. The reversal of 670177349623 is 326943771076.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670177349623 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 (670177349683) 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, 879840 + ... + 1454122.

It is an arithmetic number, because the mean of its divisors is an integer number (84317238306).

Almost surely, 2^670177349623 is an apocalyptic number.

670177349623 is a deficient number, since it is larger than the sum of its proper divisors (4360556825).

670177349623 is a wasteful number, since it uses less digits than its factorization.

670177349623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581873.

The product of its (nonzero) digits is 8001504, while the sum is 55.

The spelling of 670177349623 in words is "six hundred seventy billion, one hundred seventy-seven million, three hundred forty-nine thousand, six hundred twenty-three".