63421854 has 8 divisors (see below), whose sum is σ = 126843720. Its totient is φ = 21140616.

The previous prime is 63421837. The next prime is 63421903. The reversal of 63421854 is 45812436.

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

63421854 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5285149 + ... + 5285160.

It is an arithmetic number, because the mean of its divisors is an integer number (15855465).

Almost surely, 2^63421854 is an apocalyptic number.

63421854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63421854 is a wasteful number, since it uses less digits than its factorization.

63421854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10570314.

The product of its digits is 23040, while the sum is 33.

The square root of 63421854 is about 7963.7838996296. The cubic root of 63421854 is about 398.7918839794.

The spelling of 63421854 in words is "sixty-three million, four hundred twenty-one thousand, eight hundred fifty-four".