84484021464 has 48 divisors (see below), whose sum is σ = 234689704200. Its totient is φ = 28159916544.

The previous prime is 84484021439. The next prime is 84484021487. The reversal of 84484021464 is 46412048448.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a super-2 number, since 2×84484021464² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4261944 + ... + 4281720.

Almost surely, 2^84484021464 is an apocalyptic number.

It is an amenable number.

84484021464 is an abundant number, since it is smaller than the sum of its proper divisors (150205682736).

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

84484021464 is an frugal number, since it uses more digits than its factorization.

84484021464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39569 (or 19782 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 45.

The spelling of 84484021464 in words is "eighty-four billion, four hundred eighty-four million, twenty-one thousand, four hundred sixty-four".