84067776 has 168 divisors, whose sum is σ = 264424160. Its totient is φ = 25380864.

The previous prime is 84067727. The next prime is 84067801. The reversal of 84067776 is 67776048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 771210 + ... + 771318.

Almost surely, 2^84067776 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 84067776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132212080).

84067776 is an abundant number, since it is smaller than the sum of its proper divisors (180356384).

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

84067776 is a wasteful number, since it uses less digits than its factorization.

84067776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 84067776 is about 9168.8481283092. The cubic root of 84067776 is about 438.0696705336.

The spelling of 84067776 in words is "eighty-four million, sixty-seven thousand, seven hundred seventy-six".