84071407147 has 36 divisors (see below), whose sum is σ = 111880206480. Its totient is φ = 62605073664.

The previous prime is 84071407139. The next prime is 84071407151. The reversal of 84071407147 is 74170417048.

It is not a de Polignac number, because 84071407147 - 2³ = 84071407139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84071407127) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44247 + ... + 412432.

Almost surely, 2^84071407147 is an apocalyptic number.

84071407147 is a deficient number, since it is larger than the sum of its proper divisors (27808799333).

84071407147 is a wasteful number, since it uses less digits than its factorization.

84071407147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456740 (or 456716 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 43.

Subtracting from 84071407147 its reverse (74170417048), we obtain a palindrome (9900990099).

The spelling of 84071407147 in words is "eighty-four billion, seventy-one million, four hundred seven thousand, one hundred forty-seven".