63385347 has 4 divisors (see below), whose sum is σ = 84513800. Its totient is φ = 42256896.

The previous prime is 63385337. The next prime is 63385363. The reversal of 63385347 is 74358336.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63385347 - 2⁴ = 63385331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63385337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10564222 + ... + 10564227.

It is an arithmetic number, because the mean of its divisors is an integer number (21128450).

Almost surely, 2^63385347 is an apocalyptic number.

63385347 is a deficient number, since it is larger than the sum of its proper divisors (21128453).

63385347 is a wasteful number, since it uses less digits than its factorization.

63385347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21128452.

The product of its digits is 181440, while the sum is 39.

The square root of 63385347 is about 7961.4915059931. The cubic root of 63385347 is about 398.7153515293.

The spelling of 63385347 in words is "sixty-three million, three hundred eighty-five thousand, three hundred forty-seven".