84678589633155 has 16 divisors (see below), whose sum is σ = 154840849615104. Its totient is φ = 38710212403680.

The previous prime is 84678589633139. The next prime is 84678589633217. The reversal of 84678589633155 is 55133698587648.

It is not a de Polignac number, because 84678589633155 - 2⁴ = 84678589633139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403231379101 + ... + 403231379310.

It is an arithmetic number, because the mean of its divisors is an integer number (9677553100944).

Almost surely, 2^{84678589633155} is an apocalyptic number.

84678589633155 is a deficient number, since it is larger than the sum of its proper divisors (70162259981949).

84678589633155 is a wasteful number, since it uses less digits than its factorization.

84678589633155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806462758426.

The product of its digits is 5225472000, while the sum is 78.

The spelling of 84678589633155 in words is "eighty-four trillion, six hundred seventy-eight billion, five hundred eighty-nine million, six hundred thirty-three thousand, one hundred fifty-five".