84780327 has 4 divisors (see below), whose sum is σ = 113040440. Its totient is φ = 56520216.

The previous prime is 84780313. The next prime is 84780331. The reversal of 84780327 is 72308748.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84780327 - 2⁶ = 84780263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84780827) 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, 14130052 + ... + 14130057.

It is an arithmetic number, because the mean of its divisors is an integer number (28260110).

Almost surely, 2^84780327 is an apocalyptic number.

84780327 is a deficient number, since it is larger than the sum of its proper divisors (28260113).

84780327 is a wasteful number, since it uses less digits than its factorization.

84780327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28260112.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 84780327 is about 9207.6233089761. The cubic root of 84780327 is about 439.3038699539.

The spelling of 84780327 in words is "eighty-four million, seven hundred eighty thousand, three hundred twenty-seven".