84008400488 has 32 divisors (see below), whose sum is σ = 158168799360. Its totient is φ = 41830165440.

The previous prime is 84008400479. The next prime is 84008400527. The reversal of 84008400488 is 88400480048.

It is a super-2 number, since 2×84008400488² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 8897306 + ... + 8906742.

It is an arithmetic number, because the mean of its divisors is an integer number (4942774980).

Almost surely, 2^84008400488 is an apocalyptic number.

It is an amenable number.

84008400488 is a deficient number, since it is larger than the sum of its proper divisors (74160398872).

84008400488 is a wasteful number, since it uses less digits than its factorization.

84008400488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937 (or 13933 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 84008400488 in words is "eighty-four billion, eight million, four hundred thousand, four hundred eighty-eight".