85756478 has 8 divisors (see below), whose sum is σ = 132784320. Its totient is φ = 41495040.

The previous prime is 85756471. The next prime is 85756487. The reversal of 85756478 is 87465758.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85756471) 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, 691523 + ... + 691646.

It is an arithmetic number, because the mean of its divisors is an integer number (16598040).

Almost surely, 2^85756478 is an apocalyptic number.

85756478 is a deficient number, since it is larger than the sum of its proper divisors (47027842).

85756478 is a wasteful number, since it uses less digits than its factorization.

85756478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383202.

The product of its digits is 1881600, while the sum is 50.

The square root of 85756478 is about 9260.4793612426. The cubic root of 85756478 is about 440.9834716306.

The spelling of 85756478 in words is "eighty-five million, seven hundred fifty-six thousand, four hundred seventy-eight".