6438087611172 has 72 divisors (see below), whose sum is σ = 18665108297472. Its totient is φ = 1832907484800.

The previous prime is 6438087611161. The next prime is 6438087611243. The reversal of 6438087611172 is 2711167808346.

6438087611172 is a `hidden beast` number, since 6 + 4 + 3 + 8 + 0 + 8 + 7 + 611 + 17 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45388204 + ... + 45529827.

Almost surely, 2^{6438087611172} is an apocalyptic number.

It is an amenable number.

6438087611172 is an abundant number, since it is smaller than the sum of its proper divisors (12227020686300).

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

6438087611172 is a wasteful number, since it uses less digits than its factorization.

6438087611172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90918329 (or 90918324 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 6438087611172 in words is "six trillion, four hundred thirty-eight billion, eighty-seven million, six hundred eleven thousand, one hundred seventy-two".