63876493 has 4 divisors (see below), whose sum is σ = 64036188. Its totient is φ = 63716800.

The previous prime is 63876487. The next prime is 63876503. The reversal of 63876493 is 39467836.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53553124 + 10323369 = 7318^2 + 3213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63876493 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 (63876403) 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, 79246 + ... + 80047.

It is an arithmetic number, because the mean of its divisors is an integer number (16009047).

Almost surely, 2^63876493 is an apocalyptic number.

It is an amenable number.

63876493 is a deficient number, since it is larger than the sum of its proper divisors (159695).

63876493 is a wasteful number, since it uses less digits than its factorization.

63876493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159694.

The product of its digits is 653184, while the sum is 46.

The square root of 63876493 is about 7992.2770847863. The cubic root of 63876493 is about 399.7425280561.

It can be divided in two parts, 6387 and 6493, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 63876493 in words is "sixty-three million, eight hundred seventy-six thousand, four hundred ninety-three".