63872047 has 2 divisors, whose sum is σ = 63872048. Its totient is φ = 63872046.

The previous prime is 63872041. The next prime is 63872087. The reversal of 63872047 is 74027836.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63872047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63871997 and 63872015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63872041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31936023 + 31936024.

It is an arithmetic number, because the mean of its divisors is an integer number (31936024).

Almost surely, 2^63872047 is an apocalyptic number.

63872047 is a deficient number, since it is larger than the sum of its proper divisors (1).

63872047 is an equidigital number, since it uses as much as digits as its factorization.

63872047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 63872047 is about 7991.9989364364. The cubic root of 63872047 is about 399.7332534052.

The spelling of 63872047 in words is "sixty-three million, eight hundred seventy-two thousand, forty-seven".