63606331877 has 8 divisors (see below), whose sum is σ = 69585298560. Its totient is φ = 57660127360.

The previous prime is 63606331853. The next prime is 63606331883. The reversal of 63606331877 is 77813360636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-63606331877 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 (63606331177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186477 + ... + 8194242.

It is an arithmetic number, because the mean of its divisors is an integer number (8698162320).

Almost surely, 2^63606331877 is an apocalyptic number.

It is an amenable number.

63606331877 is a deficient number, since it is larger than the sum of its proper divisors (5978966683).

63606331877 is a wasteful number, since it uses less digits than its factorization.

63606331877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16381083.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 63606331877 in words is "sixty-three billion, six hundred six million, three hundred thirty-one thousand, eight hundred seventy-seven".