670635485 has 8 divisors (see below), whose sum is σ = 866667480. Its totient is φ = 495238464.

The previous prime is 670635473. The next prime is 670635487. The reversal of 670635485 is 584536076.

It can be written as a sum of positive squares in 4 ways, for example, as 75568249 + 595067236 = 8693^2 + 24394^2 .

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 670635485 - 2²⁴ = 653858269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670635487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158670 + ... + 5158799.

It is an arithmetic number, because the mean of its divisors is an integer number (108333435).

Almost surely, 2^670635485 is an apocalyptic number.

670635485 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

670635485 is a deficient number, since it is larger than the sum of its proper divisors (196031995).

670635485 is a wasteful number, since it uses less digits than its factorization.

670635485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317487.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 670635485 is about 25896.6307654104. The cubic root of 670635485 is about 875.3105770960.

The spelling of 670635485 in words is "six hundred seventy million, six hundred thirty-five thousand, four hundred eighty-five".