63171379676 has 12 divisors (see below), whose sum is σ = 112902040608. Its totient is φ = 30913653792.

The previous prime is 63171379669. The next prime is 63171379693. The reversal of 63171379676 is 67697317136.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168008801 + ... + 168009176.

It is an arithmetic number, because the mean of its divisors is an integer number (9408503384).

Almost surely, 2^63171379676 is an apocalyptic number.

It is an amenable number.

63171379676 is a deficient number, since it is larger than the sum of its proper divisors (49730660932).

63171379676 is a wasteful number, since it uses less digits than its factorization.

63171379676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336018028 (or 336018026 counting only the distinct ones).

The product of its digits is 6001128, while the sum is 56.

The spelling of 63171379676 in words is "sixty-three billion, one hundred seventy-one million, three hundred seventy-nine thousand, six hundred seventy-six".