85256738 has 8 divisors (see below), whose sum is σ = 146154432. Its totient is φ = 36538596.

The previous prime is 85256737. The next prime is 85256767. The reversal of 85256738 is 83765258.

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

It is a super-2 number, since 2×85256738² = 14537422748801288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85256737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3044870 + ... + 3044897.

It is an arithmetic number, because the mean of its divisors is an integer number (18269304).

Almost surely, 2^85256738 is an apocalyptic number.

85256738 is a deficient number, since it is larger than the sum of its proper divisors (60897694).

85256738 is a wasteful number, since it uses less digits than its factorization.

85256738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089776.

The product of its digits is 403200, while the sum is 44.

The square root of 85256738 is about 9233.4575322574. The cubic root of 85256738 is about 440.1252019737.

The spelling of 85256738 in words is "eighty-five million, two hundred fifty-six thousand, seven hundred thirty-eight".