84688988 has 12 divisors (see below), whose sum is σ = 148275960. Its totient is φ = 42324432.

The previous prime is 84688949. The next prime is 84688991. The reversal of 84688988 is 88988648.

It is a congruent number.

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, 8570 + ... + 15582.

It is an arithmetic number, because the mean of its divisors is an integer number (12356330).

Almost surely, 2^84688988 is an apocalyptic number.

It is an amenable number.

84688988 is a deficient number, since it is larger than the sum of its proper divisors (63586972).

84688988 is a wasteful number, since it uses less digits than its factorization.

84688988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036 (or 10034 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 59.

The square root of 84688988 is about 9202.6620061806. The cubic root of 84688988 is about 439.1460503428.

The spelling of 84688988 in words is "eighty-four million, six hundred eighty-eight thousand, nine hundred eighty-eight".