63858012 has 36 divisors (see below), whose sum is σ = 157267656. Its totient is φ = 20164320.

The previous prime is 63857999. The next prime is 63858059. The reversal of 63858012 is 21085836.

It is a happy number.

It is a congruent number.

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, 3039 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (4368546).

Almost surely, 2^63858012 is an apocalyptic number.

It is an amenable number.

63858012 is an abundant number, since it is smaller than the sum of its proper divisors (93409644).

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

63858012 is a wasteful number, since it uses less digits than its factorization.

63858012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786 (or 14765 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 63858012 is about 7991.1208225129. The cubic root of 63858012 is about 399.7039726402.

The spelling of 63858012 in words is "sixty-three million, eight hundred fifty-eight thousand, twelve".