63870486 has 16 divisors (see below), whose sum is σ = 128507904. Its totient is φ = 21162344.

The previous prime is 63870461. The next prime is 63870493. The reversal of 63870486 is 68407836.

It is a super-3 number, since 3×63870486³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30870 + ... + 32873.

It is an arithmetic number, because the mean of its divisors is an integer number (8031744).

Almost surely, 2^63870486 is an apocalyptic number.

63870486 is an abundant number, since it is smaller than the sum of its proper divisors (64637418).

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

63870486 is a wasteful number, since it uses less digits than its factorization.

63870486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63915.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 63870486 is about 7991.9012756665. The cubic root of 63870486 is about 399.7299969536.

The spelling of 63870486 in words is "sixty-three million, eight hundred seventy thousand, four hundred eighty-six".