84217588004 has 36 divisors (see below), whose sum is σ = 162193710672. Its totient is φ = 38234251440.

The previous prime is 84217588001. The next prime is 84217588009. The reversal of 84217588004 is 40088571248.

It is a super-2 number, since 2×84217588004² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84217588004.

It is not an unprimeable number, because it can be changed into a prime (84217588001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295067 + ... + 505469.

It is an arithmetic number, because the mean of its divisors is an integer number (4505380852).

Almost surely, 2^84217588004 is an apocalyptic number.

It is an amenable number.

84217588004 is a deficient number, since it is larger than the sum of its proper divisors (77976122668).

84217588004 is a wasteful number, since it uses less digits than its factorization.

84217588004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211256 (or 211243 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 84217588004 in words is "eighty-four billion, two hundred seventeen million, five hundred eighty-eight thousand, four".