63672231258 has 24 divisors (see below), whose sum is σ = 139846319028. Its totient is φ = 20933335872.

The previous prime is 63672231253. The next prime is 63672231283. The reversal of 63672231258 is 85213227636.

63672231258 is a `hidden beast` number, since 6 + 367 + 2 + 2 + 31 + 258 = 666.

63672231258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63671942889 + 288369 = 252333^2 + 537^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63672231251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24227085 + ... + 24229712.

Almost surely, 2^63672231258 is an apocalyptic number.

63672231258 is an abundant number, since it is smaller than the sum of its proper divisors (76174087770).

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

63672231258 is a wasteful number, since it uses less digits than its factorization.

63672231258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48456878 (or 48456875 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 63672231258 in words is "sixty-three billion, six hundred seventy-two million, two hundred thirty-one thousand, two hundred fifty-eight".