840300063 has 8 divisors (see below), whose sum is σ = 1121321088. Its totient is φ = 559739544.

The previous prime is 840300053. The next prime is 840300091. The reversal of 840300063 is 360003048.

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

It is not a de Polignac number, because 840300063 - 2⁴ = 840300047 is a prime.

It is a super-2 number, since 2×840300063² = 1412208391755607938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840300053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110845 + ... + 118182.

It is an arithmetic number, because the mean of its divisors is an integer number (140165136).

Almost surely, 2^840300063 is an apocalyptic number.

840300063 is a deficient number, since it is larger than the sum of its proper divisors (281021025).

840300063 is a wasteful number, since it uses less digits than its factorization.

840300063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230253.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 840300063 is about 28987.9296087182. The cubic root of 840300063 is about 943.6511323238.

The spelling of 840300063 in words is "eight hundred forty million, three hundred thousand, sixty-three".