63209886879 has 32 divisors (see below), whose sum is σ = 87500621824. Its totient is φ = 40545930240.

The previous prime is 63209886847. The next prime is 63209886893. The reversal of 63209886879 is 97868890236.

It is not a de Polignac number, because 63209886879 - 2⁵ = 63209886847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63209886809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12360027 + ... + 12365139.

It is an arithmetic number, because the mean of its divisors is an integer number (2734394432).

Almost surely, 2^63209886879 is an apocalyptic number.

63209886879 is a deficient number, since it is larger than the sum of its proper divisors (24290734945).

63209886879 is a wasteful number, since it uses less digits than its factorization.

63209886879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887.

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 63209886879 in words is "sixty-three billion, two hundred nine million, eight hundred eighty-six thousand, eight hundred seventy-nine".