63977055 has 8 divisors (see below), whose sum is σ = 102363312. Its totient is φ = 34121088.

The previous prime is 63977041. The next prime is 63977057. The reversal of 63977055 is 55077936.

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

It is not a de Polignac number, because 63977055 - 2⁸ = 63976799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63976998 and 63977016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63977057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132554 + ... + 2132583.

It is an arithmetic number, because the mean of its divisors is an integer number (12795414).

Almost surely, 2^63977055 is an apocalyptic number.

63977055 is a deficient number, since it is larger than the sum of its proper divisors (38386257).

63977055 is a wasteful number, since it uses less digits than its factorization.

63977055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265145.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 63977055 is about 7998.5658089435. The cubic root of 63977055 is about 399.9521922029.

The spelling of 63977055 in words is "sixty-three million, nine hundred seventy-seven thousand, fifty-five".