63011887 has 2 divisors, whose sum is σ = 63011888. Its totient is φ = 63011886.

The previous prime is 63011873. The next prime is 63011891. The reversal of 63011887 is 78811036.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63011887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63011807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31505943 + 31505944.

It is an arithmetic number, because the mean of its divisors is an integer number (31505944).

Almost surely, 2^63011887 is an apocalyptic number.

63011887 is a deficient number, since it is larger than the sum of its proper divisors (1).

63011887 is an equidigital number, since it uses as much as digits as its factorization.

63011887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 63011887 is about 7938.0027084903. The cubic root of 63011887 is about 397.9307451698.

The spelling of 63011887 in words is "sixty-three million, eleven thousand, eight hundred eighty-seven".