63157397688 has 384 divisors, whose sum is σ = 216382832640. Its totient is φ = 16166304000.

The previous prime is 63157397683. The next prime is 63157397707. The reversal of 63157397688 is 88679375136.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63157397683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 190807683 + ... + 190808013.

It is an arithmetic number, because the mean of its divisors is an integer number (563496960).

Almost surely, 2^63157397688 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 63157397688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108191416320).

63157397688 is an abundant number, since it is smaller than the sum of its proper divisors (153225434952).

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

63157397688 is a wasteful number, since it uses less digits than its factorization.

63157397688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 752 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 63157397688 in words is "sixty-three billion, one hundred fifty-seven million, three hundred ninety-seven thousand, six hundred eighty-eight".