63416887 has 2 divisors, whose sum is σ = 63416888. Its totient is φ = 63416886.

The previous prime is 63416879. The next prime is 63416891. The reversal of 63416887 is 78861436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63416887 - 2³ = 63416879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63416687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31708443 + 31708444.

It is an arithmetic number, because the mean of its divisors is an integer number (31708444).

Almost surely, 2^63416887 is an apocalyptic number.

63416887 is a deficient number, since it is larger than the sum of its proper divisors (1).

63416887 is an equidigital number, since it uses as much as digits as its factorization.

63416887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 63416887 is about 7963.4720442782. The cubic root of 63416887 is about 398.7814729992.

The spelling of 63416887 in words is "sixty-three million, four hundred sixteen thousand, eight hundred eighty-seven".