63887079648 has 288 divisors, whose sum is σ = 197619222528. Its totient is φ = 18018201600.

The previous prime is 63887079631. The next prime is 63887079689. The reversal of 63887079648 is 84697078836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189575736 + ... + 189576072.

It is an arithmetic number, because the mean of its divisors is an integer number (686177856).

Almost surely, 2^63887079648 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 63887079648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98809611264).

63887079648 is an abundant number, since it is smaller than the sum of its proper divisors (133732142880).

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

63887079648 is a wasteful number, since it uses less digits than its factorization.

63887079648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 63887079648 in words is "sixty-three billion, eight hundred eighty-seven million, seventy-nine thousand, six hundred forty-eight".