84128999470 has 8 divisors (see below), whose sum is σ = 151432199064. Its totient is φ = 33651599784.

The previous prime is 84128999467. The next prime is 84128999531. The reversal of 84128999470 is 7499982148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 84128999399 and 84128999408.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4206449964 + ... + 4206449983.

It is an arithmetic number, because the mean of its divisors is an integer number (18929024883).

Almost surely, 2^84128999470 is an apocalyptic number.

84128999470 is a deficient number, since it is larger than the sum of its proper divisors (67303199594).

84128999470 is a wasteful number, since it uses less digits than its factorization.

84128999470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412899954.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 84128999470 in words is "eighty-four billion, one hundred twenty-eight million, nine hundred ninety-nine thousand, four hundred seventy".