84478900134 has 16 divisors (see below), whose sum is σ = 176303791872. Its totient is φ = 26935301448.

The previous prime is 84478900123. The next prime is 84478900159. The reversal of 84478900134 is 43100987448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306082834 + ... + 306083109.

It is an arithmetic number, because the mean of its divisors is an integer number (11018986992).

Almost surely, 2^84478900134 is an apocalyptic number.

84478900134 is an abundant number, since it is smaller than the sum of its proper divisors (91824891738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84478900134 is a wasteful number, since it uses less digits than its factorization.

84478900134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612165971.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 84478900134 in words is "eighty-four billion, four hundred seventy-eight million, nine hundred thousand, one hundred thirty-four".