63487086 has 32 divisors (see below), whose sum is σ = 138485760. Its totient is φ = 19285344.

The previous prime is 63487069. The next prime is 63487097. The reversal of 63487086 is 68078436.

It is a super-2 number, since 2×63487086² = 8061220177542792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011 + ... + 11313.

It is an arithmetic number, because the mean of its divisors is an integer number (4327680).

Almost surely, 2^63487086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63487086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69242880).

63487086 is an abundant number, since it is smaller than the sum of its proper divisors (74998674).

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

63487086 is a wasteful number, since it uses less digits than its factorization.

63487086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400.

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

The square root of 63487086 is about 7967.8783876262. The cubic root of 63487086 is about 398.9285617795.

The spelling of 63487086 in words is "sixty-three million, four hundred eighty-seven thousand, eighty-six".