63987162 has 16 divisors (see below), whose sum is σ = 132102912. Its totient is φ = 20640960.

The previous prime is 63987103. The next prime is 63987181. The reversal of 63987162 is 26178936.

It is a happy 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, 171823 + ... + 172194.

It is an arithmetic number, because the mean of its divisors is an integer number (8256432).

Almost surely, 2^63987162 is an apocalyptic number.

63987162 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

63987162 is an abundant number, since it is smaller than the sum of its proper divisors (68115750).

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

63987162 is a wasteful number, since it uses less digits than its factorization.

63987162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344053.

The product of its digits is 108864, while the sum is 42.

The square root of 63987162 is about 7999.1975847581. The cubic root of 63987162 is about 399.9732523781.

The spelling of 63987162 in words is "sixty-three million, nine hundred eighty-seven thousand, one hundred sixty-two".