63118776732 has 96 divisors (see below), whose sum is σ = 166290432000. Its totient is φ = 18460612800.

The previous prime is 63118776727. The next prime is 63118776737. The reversal of 63118776732 is 23767781136.

It is an interprime number because it is at equal distance from previous prime (63118776727) and next prime (63118776737).

It is a super-2 number, since 2×63118776732² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63118776737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530519 + ... + 1571217.

It is an arithmetic number, because the mean of its divisors is an integer number (1732192000).

Almost surely, 2^63118776732 is an apocalyptic number.

63118776732 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63118776732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83145216000).

63118776732 is an abundant number, since it is smaller than the sum of its proper divisors (103171655268).

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

63118776732 is a wasteful number, since it uses less digits than its factorization.

63118776732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41127 (or 41125 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The spelling of 63118776732 in words is "sixty-three billion, one hundred eighteen million, seven hundred seventy-six thousand, seven hundred thirty-two".