63834087772 has 24 divisors (see below), whose sum is σ = 137488805216. Its totient is φ = 25253045568.

The previous prime is 63834087761. The next prime is 63834087781. The reversal of 63834087772 is 27778043836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87683823 + ... + 87684550.

Almost surely, 2^63834087772 is an apocalyptic number.

It is an amenable number.

63834087772 is an abundant number, since it is smaller than the sum of its proper divisors (73654717444).

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

63834087772 is a wasteful number, since it uses less digits than its factorization.

63834087772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175368397 (or 175368395 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 63834087772 in words is "sixty-three billion, eight hundred thirty-four million, eighty-seven thousand, seven hundred seventy-two".