63938955 has 16 divisors (see below), whose sum is σ = 108320544. Its totient is φ = 32094720.

The previous prime is 63938951. The next prime is 63938983. The reversal of 63938955 is 55983936.

It is not a de Polignac number, because 63938955 - 2² = 63938951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63938951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125116 + ... + 125625.

It is an arithmetic number, because the mean of its divisors is an integer number (6770034).

Almost surely, 2^63938955 is an apocalyptic number.

63938955 is a deficient number, since it is larger than the sum of its proper divisors (44381589).

63938955 is a wasteful number, since it uses less digits than its factorization.

63938955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250766.

The product of its digits is 874800, while the sum is 48.

The square root of 63938955 is about 7996.1837772778. The cubic root of 63938955 is about 399.8727824602.

The spelling of 63938955 in words is "sixty-three million, nine hundred thirty-eight thousand, nine hundred fifty-five".