63871546 has 16 divisors (see below), whose sum is σ = 98933760. Its totient is φ = 30903120.

The previous prime is 63871541. The next prime is 63871547. The reversal of 63871546 is 64517836.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63871499 and 63871508.

It is not an unprimeable number, because it can be changed into a prime (63871541) 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, 11875 + ... + 16393.

It is an arithmetic number, because the mean of its divisors is an integer number (6183360).

Almost surely, 2^63871546 is an apocalyptic number.

63871546 is a deficient number, since it is larger than the sum of its proper divisors (35062214).

63871546 is a wasteful number, since it uses less digits than its factorization.

63871546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749.

The product of its digits is 120960, while the sum is 40.

The square root of 63871546 is about 7991.9675925269. The cubic root of 63871546 is about 399.7322082590.

The spelling of 63871546 in words is "sixty-three million, eight hundred seventy-one thousand, five hundred forty-six".