87284463147 has 48 divisors (see below), whose sum is σ = 151761026560. Its totient is φ = 47224083456.

The previous prime is 87284463131. The next prime is 87284463151. The reversal of 87284463147 is 74136448278.

87284463147 is a `hidden beast` number, since 8 + 7 + 284 + 46 + 314 + 7 = 666.

It is not a de Polignac number, because 87284463147 - 2⁴ = 87284463131 is a prime.

It is a super-2 number, since 2×87284463147² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87284463093 and 87284463102.

It is not an unprimeable number, because it can be changed into a prime (87284463197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2113803 + ... + 2154699.

Almost surely, 2^87284463147 is an apocalyptic number.

87284463147 is a deficient number, since it is larger than the sum of its proper divisors (64476563413).

87284463147 is a wasteful number, since it uses less digits than its factorization.

87284463147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42712 (or 42709 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 87284463147 in words is "eighty-seven billion, two hundred eighty-four million, four hundred sixty-three thousand, one hundred forty-seven".