63876673 has 4 divisors (see below), whose sum is σ = 73001920. Its totient is φ = 54751428.

The previous prime is 63876649. The next prime is 63876697. The reversal of 63876673 is 37667836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (63876649) and next prime (63876697).

It is a cyclic number.

It is not a de Polignac number, because 63876673 - 2²¹ = 61779521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63874673) 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, 4562613 + ... + 4562626.

It is an arithmetic number, because the mean of its divisors is an integer number (18250480).

Almost surely, 2^63876673 is an apocalyptic number.

It is an amenable number.

63876673 is a deficient number, since it is larger than the sum of its proper divisors (9125247).

63876673 is an equidigital number, since it uses as much as digits as its factorization.

63876673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125246.

The product of its digits is 762048, while the sum is 46.

The square root of 63876673 is about 7992.2883456492. The cubic root of 63876673 is about 399.7429035389.

The spelling of 63876673 in words is "sixty-three million, eight hundred seventy-six thousand, six hundred seventy-three".