84060715147 has 4 divisors (see below), whose sum is σ = 84064913856. Its totient is φ = 84056516440.

The previous prime is 84060715139. The next prime is 84060715157. The reversal of 84060715147 is 74151706048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84060715147 - 2³ = 84060715139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84060715117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069179 + ... + 2109412.

It is an arithmetic number, because the mean of its divisors is an integer number (21016228464).

Almost surely, 2^84060715147 is an apocalyptic number.

84060715147 is a deficient number, since it is larger than the sum of its proper divisors (4198709).

84060715147 is a wasteful number, since it uses less digits than its factorization.

84060715147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198708.

The product of its (nonzero) digits is 188160, while the sum is 43.

Subtracting from 84060715147 its reverse (74151706048), we obtain a palindrome (9909009099).

The spelling of 84060715147 in words is "eighty-four billion, sixty million, seven hundred fifteen thousand, one hundred forty-seven".