63431854 has 8 divisors (see below), whose sum is σ = 95183568. Its totient is φ = 31704000.

The previous prime is 63431839. The next prime is 63431857. The reversal of 63431854 is 45813436.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63431857) 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, 4039 + ... + 11965.

It is an arithmetic number, because the mean of its divisors is an integer number (11897946).

Almost surely, 2^63431854 is an apocalyptic number.

63431854 is a deficient number, since it is larger than the sum of its proper divisors (31751714).

63431854 is a wasteful number, since it uses less digits than its factorization.

63431854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11930.

The product of its digits is 34560, while the sum is 34.

The square root of 63431854 is about 7964.4117171327. The cubic root of 63431854 is about 398.8128426291.

The spelling of 63431854 in words is "sixty-three million, four hundred thirty-one thousand, eight hundred fifty-four".