63109488 has 80 divisors (see below), whose sum is σ = 184849280. Its totient is φ = 18392832.

The previous prime is 63109477. The next prime is 63109499. The reversal of 63109488 is 88490136.

It is an interprime number because it is at equal distance from previous prime (63109477) and next prime (63109499).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 9195 + ... + 14517.

It is an arithmetic number, because the mean of its divisors is an integer number (2310616).

Almost surely, 2^63109488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63109488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92424640).

63109488 is an abundant number, since it is smaller than the sum of its proper divisors (121739792).

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

63109488 is a wasteful number, since it uses less digits than its factorization.

63109488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366 (or 5360 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 63109488 is about 7944.1480348745. The cubic root of 63109488 is about 398.1360948008.

The spelling of 63109488 in words is "sixty-three million, one hundred nine thousand, four hundred eighty-eight".