84400008888 has 32 divisors (see below), whose sum is σ = 227230794000. Its totient is φ = 25969233408.

The previous prime is 84400008881. The next prime is 84400008907. The reversal of 84400008888 is 88880000448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84400008881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135256113 + ... + 135256736.

Almost surely, 2^84400008888 is an apocalyptic number.

It is an amenable number.

84400008888 is an abundant number, since it is smaller than the sum of its proper divisors (142830785112).

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

84400008888 is a wasteful number, since it uses less digits than its factorization.

84400008888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270512871 (or 270512867 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 48.

The spelling of 84400008888 in words is "eighty-four billion, four hundred million, eight thousand, eight hundred eighty-eight".