63147385 has 16 divisors (see below), whose sum is σ = 86976000. Its totient is φ = 43114176.

The previous prime is 63147373. The next prime is 63147389. The reversal of 63147385 is 58374136.

It is not a de Polignac number, because 63147385 - 2⁵ = 63147353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63147389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4591 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (5436000).

Almost surely, 2^63147385 is an apocalyptic number.

It is an amenable number.

63147385 is a deficient number, since it is larger than the sum of its proper divisors (23828615).

63147385 is a wasteful number, since it uses less digits than its factorization.

63147385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800.

The product of its digits is 60480, while the sum is 37.

The square root of 63147385 is about 7946.5328917711. The cubic root of 63147385 is about 398.2157719087.

The spelling of 63147385 in words is "sixty-three million, one hundred forty-seven thousand, three hundred eighty-five".