84408000880 has 80 divisors (see below), whose sum is σ = 232018096320. Its totient is φ = 27941953536.

The previous prime is 84408000871. The next prime is 84408000899. The reversal of 84408000880 is 8800080448.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×84408000880² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 2582529 + ... + 2615008.

It is an arithmetic number, because the mean of its divisors is an integer number (2900226204).

Almost surely, 2^84408000880 is an apocalyptic number.

84408000880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84408000880 is an abundant number, since it is smaller than the sum of its proper divisors (147610095440).

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

84408000880 is a wasteful number, since it uses less digits than its factorization.

84408000880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197586 (or 5197580 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 84408000880 in words is "eighty-four billion, four hundred eight million, eight hundred eighty", and thus it is an aban number.