63879503 has 2 divisors, whose sum is σ = 63879504. Its totient is φ = 63879502.

The previous prime is 63879461. The next prime is 63879511. The reversal of 63879503 is 30597836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63879503 - 2¹⁴ = 63863119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63879583) by changing a digit.

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 as a sum of consecutive naturals, namely, 31939751 + 31939752.

It is an arithmetic number, because the mean of its divisors is an integer number (31939752).

Almost surely, 2^63879503 is an apocalyptic number.

63879503 is a deficient number, since it is larger than the sum of its proper divisors (1).

63879503 is an equidigital number, since it uses as much as digits as its factorization.

63879503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 63879503 is about 7992.4653893526. The cubic root of 63879503 is about 399.7488068714.

The spelling of 63879503 in words is "sixty-three million, eight hundred seventy-nine thousand, five hundred three".