63873371 has 2 divisors, whose sum is σ = 63873372. Its totient is φ = 63873370.

The previous prime is 63873353. The next prime is 63873377. The reversal of 63873371 is 17337836.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63873371 - 2¹⁴ = 63856987 is a prime.

It is not a weakly prime, because it can be changed into another prime (63873377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31936685 + 31936686.

It is an arithmetic number, because the mean of its divisors is an integer number (31936686).

Almost surely, 2^63873371 is an apocalyptic number.

63873371 is a deficient number, since it is larger than the sum of its proper divisors (1).

63873371 is an equidigital number, since it uses as much as digits as its factorization.

63873371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 63873371 is about 7992.0817688510. The cubic root of 63873371 is about 399.7360154020.

The spelling of 63873371 in words is "sixty-three million, eight hundred seventy-three thousand, three hundred seventy-one".