63480871 has 2 divisors, whose sum is σ = 63480872. Its totient is φ = 63480870.

The previous prime is 63480869. The next prime is 63480877. The reversal of 63480871 is 17808436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63480871 - 2¹ = 63480869 is a prime.

Together with 63480869, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 63480871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63480877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31740435 + 31740436.

It is an arithmetic number, because the mean of its divisors is an integer number (31740436).

Almost surely, 2^63480871 is an apocalyptic number.

63480871 is a deficient number, since it is larger than the sum of its proper divisors (1).

63480871 is an equidigital number, since it uses as much as digits as its factorization.

63480871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 63480871 is about 7967.4883746385. The cubic root of 63480871 is about 398.9155437939.

The spelling of 63480871 in words is "sixty-three million, four hundred eighty thousand, eight hundred seventy-one".