84780334 has 8 divisors (see below), whose sum is σ = 127242720. Its totient is φ = 42366096.

The previous prime is 84780331. The next prime is 84780349. The reversal of 84780334 is 43308748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 84780293 and 84780302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84780331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7254 + ... + 14905.

It is an arithmetic number, because the mean of its divisors is an integer number (15905340).

Almost surely, 2^84780334 is an apocalyptic number.

84780334 is a deficient number, since it is larger than the sum of its proper divisors (42462386).

84780334 is a wasteful number, since it uses less digits than its factorization.

84780334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24074.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 84780334 is about 9207.6236890959. The cubic root of 84780334 is about 439.3038820445.

The spelling of 84780334 in words is "eighty-four million, seven hundred eighty thousand, three hundred thirty-four".