87447462219 has 20 divisors (see below), whose sum is σ = 140679964656. Its totient is φ = 53813822256.

The previous prime is 87447462191. The next prime is 87447462229. The reversal of 87447462219 is 91226474478.

87447462219 is a `hidden beast` number, since 8 + 7 + 4 + 4 + 7 + 4 + 622 + 1 + 9 = 666.

It is not a de Polignac number, because 87447462219 - 2⁸ = 87447461963 is a prime.

It is a super-2 number, since 2×87447462219² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87447462229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41521959 + ... + 41524064.

Almost surely, 2^87447462219 is an apocalyptic number.

87447462219 is a deficient number, since it is larger than the sum of its proper divisors (53232502437).

87447462219 is a wasteful number, since it uses less digits than its factorization.

87447462219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83046048 (or 83046039 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 87447462219 in words is "eighty-seven billion, four hundred forty-seven million, four hundred sixty-two thousand, two hundred nineteen".