84078359 has 8 divisors (see below), whose sum is σ = 85314432. Its totient is φ = 82850400.

The previous prime is 84078343. The next prime is 84078361. The reversal of 84078359 is 95387048.

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

It is a cyclic number.

It is not a de Polignac number, because 84078359 - 2⁴ = 84078343 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 (84078259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20657 + ... + 24389.

It is an arithmetic number, because the mean of its divisors is an integer number (10664304).

Almost surely, 2^84078359 is an apocalyptic number.

84078359 is a deficient number, since it is larger than the sum of its proper divisors (1236073).

84078359 is a wasteful number, since it uses less digits than its factorization.

84078359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 84078359 is about 9169.4252273520. The cubic root of 84078359 is about 438.0880521181.

The spelling of 84078359 in words is "eighty-four million, seventy-eight thousand, three hundred fifty-nine".