63348865 has 8 divisors (see below), whose sum is σ = 76873320. Its totient is φ = 50109312.

The previous prime is 63348863. The next prime is 63348871. The reversal of 63348865 is 56884336.

It can be written as a sum of positive squares in 4 ways, for example, as 2259009 + 61089856 = 1503^2 + 7816^2 .

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 63348865 - 2¹ = 63348863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63348863) 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, 70734 + ... + 71623.

It is an arithmetic number, because the mean of its divisors is an integer number (9609165).

Almost surely, 2^63348865 is an apocalyptic number.

It is an amenable number.

63348865 is a deficient number, since it is larger than the sum of its proper divisors (13524455).

63348865 is a wasteful number, since it uses less digits than its factorization.

63348865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142451.

The product of its digits is 414720, while the sum is 43.

The square root of 63348865 is about 7959.2000226153. The cubic root of 63348865 is about 398.6388421270.

The spelling of 63348865 in words is "sixty-three million, three hundred forty-eight thousand, eight hundred sixty-five".