85384078 has 8 divisors (see below), whose sum is σ = 137928168. Its totient is φ = 39408024.

The previous prime is 85384037. The next prime is 85384109. The reversal of 85384078 is 87048358.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641976 + ... + 1642027.

It is an arithmetic number, because the mean of its divisors is an integer number (17241021).

Almost surely, 2^85384078 is an apocalyptic number.

85384078 is a deficient number, since it is larger than the sum of its proper divisors (52544090).

85384078 is a wasteful number, since it uses less digits than its factorization.

85384078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284018.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 85384078 is about 9240.3505344765. The cubic root of 85384078 is about 440.3442175586.

The spelling of 85384078 in words is "eighty-five million, three hundred eighty-four thousand, seventy-eight".