670577555 has 8 divisors (see below), whose sum is σ = 805611744. Its totient is φ = 535849600.

The previous prime is 670577543. The next prime is 670577569. The reversal of 670577555 is 555775076.

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

It is not a de Polignac number, because 670577555 - 2¹⁸ = 670315411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 71711 + ... + 80520.

It is an arithmetic number, because the mean of its divisors is an integer number (100701468).

Almost surely, 2^670577555 is an apocalyptic number.

670577555 is a deficient number, since it is larger than the sum of its proper divisors (135034189).

670577555 is a wasteful number, since it uses less digits than its factorization.

670577555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153117.

The product of its (nonzero) digits is 1286250, while the sum is 47.

The square root of 670577555 is about 25895.5122559875. The cubic root of 670577555 is about 875.2853730406.

The spelling of 670577555 in words is "six hundred seventy million, five hundred seventy-seven thousand, five hundred fifty-five".