63270857 has 4 divisors (see below), whose sum is σ = 68137860. Its totient is φ = 58403856.

The previous prime is 63270841. The next prime is 63270877. The reversal of 63270857 is 75807236.

It is a happy number.

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 19855936 + 43414921 = 4456^2 + 6589^2 .

It is a cyclic number.

It is not a de Polignac number, because 63270857 - 2⁴ = 63270841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63270857.

It is not an unprimeable number, because it can be changed into a prime (63270877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433482 + ... + 2433507.

It is an arithmetic number, because the mean of its divisors is an integer number (17034465).

Almost surely, 2^63270857 is an apocalyptic number.

It is an amenable number.

63270857 is a deficient number, since it is larger than the sum of its proper divisors (4867003).

63270857 is a wasteful number, since it uses less digits than its factorization.

63270857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867002.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 63270857 is about 7954.2980205672. The cubic root of 63270857 is about 398.4751465246.

The spelling of 63270857 in words is "sixty-three million, two hundred seventy thousand, eight hundred fifty-seven".