63486871 has 8 divisors (see below), whose sum is σ = 72859424. Its totient is φ = 54190080.

The previous prime is 63486869. The next prime is 63486881. The reversal of 63486871 is 17868436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63486871 - 2¹ = 63486869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63486811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17130 + ... + 20503.

It is an arithmetic number, because the mean of its divisors is an integer number (9107428).

Almost surely, 2^63486871 is an apocalyptic number.

63486871 is a deficient number, since it is larger than the sum of its proper divisors (9372553).

63486871 is a wasteful number, since it uses less digits than its factorization.

63486871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37881.

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

The square root of 63486871 is about 7967.8648959430. The cubic root of 63486871 is about 398.9281114531.

The spelling of 63486871 in words is "sixty-three million, four hundred eighty-six thousand, eight hundred seventy-one".