63408475 has 12 divisors (see below), whose sum is σ = 84675136. Its totient is φ = 46824480.

The previous prime is 63408439. The next prime is 63408517. The reversal of 63408475 is 57480436.

It is not a de Polignac number, because 63408475 - 2¹⁵ = 63375707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97227 + ... + 97876.

Almost surely, 2^63408475 is an apocalyptic number.

63408475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63408475 is a deficient number, since it is larger than the sum of its proper divisors (21266661).

63408475 is a wasteful number, since it uses less digits than its factorization.

63408475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195126 (or 195121 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 63408475 is about 7962.9438651795. The cubic root of 63408475 is about 398.7638399562.

The spelling of 63408475 in words is "sixty-three million, four hundred eight thousand, four hundred seventy-five".