63980010 has 128 divisors (see below), whose sum is σ = 184757760. Its totient is φ = 15694848.

The previous prime is 63979963. The next prime is 63980023. The reversal of 63980010 is 1008936.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 243139 + ... + 243401.

It is an arithmetic number, because the mean of its divisors is an integer number (1443420).

Almost surely, 2^63980010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63980010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92378880).

63980010 is an abundant number, since it is smaller than the sum of its proper divisors (120777750).

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

63980010 is a wasteful number, since it uses less digits than its factorization.

63980010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 63980010 is about 7998.7505274261. The cubic root of 63980010 is about 399.9583498300.

Adding to 63980010 its reverse (1008936), we get a palindrome (64988946).

The spelling of 63980010 in words is "sixty-three million, nine hundred eighty thousand, ten".