63948355 has 8 divisors (see below), whose sum is σ = 76877712. Its totient is φ = 51065568.

The previous prime is 63948337. The next prime is 63948359. The reversal of 63948355 is 55384936.

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

It is a cyclic number.

It is not a de Polignac number, because 63948355 - 2²¹ = 61851203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63948359) 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, 8544 + ... + 14173.

It is an arithmetic number, because the mean of its divisors is an integer number (9609714).

Almost surely, 2^63948355 is an apocalyptic number.

63948355 is a deficient number, since it is larger than the sum of its proper divisors (12929357).

63948355 is a wasteful number, since it uses less digits than its factorization.

63948355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23285.

The product of its digits is 388800, while the sum is 43.

The square root of 63948355 is about 7996.7715360638. The cubic root of 63948355 is about 399.8923772960.

The spelling of 63948355 in words is "sixty-three million, nine hundred forty-eight thousand, three hundred fifty-five".