63676825838 has 4 divisors (see below), whose sum is σ = 95515238760. Its totient is φ = 31838412918.

The previous prime is 63676825837. The next prime is 63676825843. The reversal of 63676825838 is 83852867636.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63676825831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15919206458 + ... + 15919206461.

It is an arithmetic number, because the mean of its divisors is an integer number (23878809690).

Almost surely, 2^63676825838 is an apocalyptic number.

63676825838 is a deficient number, since it is larger than the sum of its proper divisors (31838412922).

63676825838 is a wasteful number, since it uses less digits than its factorization.

63676825838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31838412921.

The product of its digits is 69672960, while the sum is 62.

The spelling of 63676825838 in words is "sixty-three billion, six hundred seventy-six million, eight hundred twenty-five thousand, eight hundred thirty-eight".