63187804122 has 32 divisors (see below), whose sum is σ = 130518657024. Its totient is φ = 20372785200.

The previous prime is 63187804087. The next prime is 63187804133. The reversal of 63187804122 is 22140878136.

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, 284097 + ... + 455067.

It is an arithmetic number, because the mean of its divisors is an integer number (4078708032).

Almost surely, 2^63187804122 is an apocalyptic number.

63187804122 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

63187804122 is an abundant number, since it is smaller than the sum of its proper divisors (67330852902).

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

63187804122 is a wasteful number, since it uses less digits than its factorization.

63187804122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172994.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 63187804122 in words is "sixty-three billion, one hundred eighty-seven million, eight hundred four thousand, one hundred twenty-two".