84311688 has 16 divisors (see below), whose sum is σ = 210779280. Its totient is φ = 28103888.

The previous prime is 84311663. The next prime is 84311741. The reversal of 84311688 is 88611348.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756470 + ... + 1756517.

It is an arithmetic number, because the mean of its divisors is an integer number (13173705).

Almost surely, 2^84311688 is an apocalyptic number.

It is an amenable number.

84311688 is an abundant number, since it is smaller than the sum of its proper divisors (126467592).

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

84311688 is a wasteful number, since it uses less digits than its factorization.

84311688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512996 (or 3512992 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 84311688 is about 9182.1396199361. The cubic root of 84311688 is about 438.4929293339.

The spelling of 84311688 in words is "eighty-four million, three hundred eleven thousand, six hundred eighty-eight".