84688776 has 96 divisors (see below), whose sum is σ = 249350400. Its totient is φ = 25868160.

The previous prime is 84688771. The next prime is 84688789. The reversal of 84688776 is 67788648.

It is not an unprimeable number, because it can be changed into a prime (84688771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41410 + ... + 43406.

It is an arithmetic number, because the mean of its divisors is an integer number (2597400).

Almost surely, 2^84688776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84688776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124675200).

84688776 is an abundant number, since it is smaller than the sum of its proper divisors (164661624).

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

84688776 is a wasteful number, since it uses less digits than its factorization.

84688776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2052 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 84688776 is about 9202.6504877671. The cubic root of 84688776 is about 439.1456839078.

The spelling of 84688776 in words is "eighty-four million, six hundred eighty-eight thousand, seven hundred seventy-six".