63788662542 has 64 divisors (see below), whose sum is σ = 142205414400. Its totient is φ = 18909444480.

The previous prime is 63788662541. The next prime is 63788662543. The reversal of 63788662542 is 24526688736.

It is an interprime number because it is at equal distance from previous prime (63788662541) and next prime (63788662543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63788662541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9020184 + ... + 9027252.

It is an arithmetic number, because the mean of its divisors is an integer number (2221959600).

Almost surely, 2^63788662542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63788662542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71102707200).

63788662542 is an abundant number, since it is smaller than the sum of its proper divisors (78416751858).

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

63788662542 is a wasteful number, since it uses less digits than its factorization.

63788662542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041.

The product of its digits is 23224320, while the sum is 57.

The spelling of 63788662542 in words is "sixty-three billion, seven hundred eighty-eight million, six hundred sixty-two thousand, five hundred forty-two".