407855563 has 4 divisors (see below), whose sum is σ = 408015448. Its totient is φ = 407695680.

The previous prime is 407855557. The next prime is 407855587. The reversal of 407855563 is 365558704.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407855563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407855863) 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, 76053 + ... + 81238.

It is an arithmetic number, because the mean of its divisors is an integer number (102003862).

Almost surely, 2^407855563 is an apocalyptic number.

407855563 is a deficient number, since it is larger than the sum of its proper divisors (159885).

407855563 is a wasteful number, since it uses less digits than its factorization.

407855563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159884.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 407855563 is about 20195.4342117222. The cubic root of 407855563 is about 741.5984215509.

The spelling of 407855563 in words is "four hundred seven million, eight hundred fifty-five thousand, five hundred sixty-three".