84188690564 has 12 divisors (see below), whose sum is σ = 160723863888. Its totient is φ = 38267586600.

The previous prime is 84188690557. The next prime is 84188690567. The reversal of 84188690564 is 46509688148.

It is not an unprimeable number, because it can be changed into a prime (84188690567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956689622 + ... + 956689709.

It is an arithmetic number, because the mean of its divisors is an integer number (13393655324).

Almost surely, 2^84188690564 is an apocalyptic number.

It is an amenable number.

84188690564 is a deficient number, since it is larger than the sum of its proper divisors (76535173324).

84188690564 is a wasteful number, since it uses less digits than its factorization.

84188690564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913379346 (or 1913379344 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 84188690564 in words is "eighty-four billion, one hundred eighty-eight million, six hundred ninety thousand, five hundred sixty-four".