84477905848 has 64 divisors (see below), whose sum is σ = 185501373120. Its totient is φ = 35309952000.

The previous prime is 84477905779. The next prime is 84477905923. The reversal of 84477905848 is 84850977448.

It is a self number, because there is not a number n which added to its sum of digits gives 84477905848.

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 15 ways as a sum of consecutive naturals, for example, 11708290 + ... + 11715502.

It is an arithmetic number, because the mean of its divisors is an integer number (2898458955).

Almost surely, 2^84477905848 is an apocalyptic number.

It is an amenable number.

84477905848 is an abundant number, since it is smaller than the sum of its proper divisors (101023467272).

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

84477905848 is a wasteful number, since it uses less digits than its factorization.

84477905848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12368 (or 12364 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 84477905848 in words is "eighty-four billion, four hundred seventy-seven million, nine hundred five thousand, eight hundred forty-eight".