147284879769 has 20 divisors (see below), whose sum is σ = 232960400244. Its totient is φ = 92414041344.

The previous prime is 147284879747. The next prime is 147284879771. The reversal of 147284879769 is 967978482741.

147284879769 is a `hidden beast` number, since 1 + 4 + 72 + 8 + 487 + 9 + 76 + 9 = 666.

147284879769 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 56056718169 + 91228161600 = 236763^2 + 302040^2 .

It is not a de Polignac number, because 147284879769 - 2⁵ = 147284879737 is a prime.

It is a super-2 number, since 2×147284879769² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147284879697 and 147284879706.

It is not an unprimeable number, because it can be changed into a prime (147284879719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53478972 + ... + 53481725.

Almost surely, 2^147284879769 is an apocalyptic number.

It is an amenable number.

147284879769 is a deficient number, since it is larger than the sum of its proper divisors (85675520475).

147284879769 is a wasteful number, since it uses less digits than its factorization.

147284879769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106960726 (or 106960717 counting only the distinct ones).

The product of its digits is 341397504, while the sum is 72.

The spelling of 147284879769 in words is "one hundred forty-seven billion, two hundred eighty-four million, eight hundred seventy-nine thousand, seven hundred sixty-nine".