63486823 has 4 divisors (see below), whose sum is σ = 67221360. Its totient is φ = 59752288.

The previous prime is 63486821. The next prime is 63486827. The reversal of 63486823 is 32868436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63486823 - 2¹ = 63486821 is a prime.

It is a super-3 number, since 3×63486823³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63486821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867243 + ... + 1867276.

It is an arithmetic number, because the mean of its divisors is an integer number (16805340).

Almost surely, 2^63486823 is an apocalyptic number.

63486823 is a deficient number, since it is larger than the sum of its proper divisors (3734537).

63486823 is a wasteful number, since it uses less digits than its factorization.

63486823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734536.

The product of its digits is 165888, while the sum is 40.

The square root of 63486823 is about 7967.8618838431. The cubic root of 63486823 is about 398.9280109149.

The spelling of 63486823 in words is "sixty-three million, four hundred eighty-six thousand, eight hundred twenty-three".