85944351 has 4 divisors (see below), whose sum is σ = 114592472. Its totient is φ = 57296232.

The previous prime is 85944349. The next prime is 85944361. The reversal of 85944351 is 15344958.

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

It is not a de Polignac number, because 85944351 - 2¹ = 85944349 is a prime.

It is a super-2 number, since 2×85944351² = 14772862937622402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85944301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14324056 + ... + 14324061.

It is an arithmetic number, because the mean of its divisors is an integer number (28648118).

Almost surely, 2^85944351 is an apocalyptic number.

85944351 is a deficient number, since it is larger than the sum of its proper divisors (28648121).

85944351 is a wasteful number, since it uses less digits than its factorization.

85944351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28648120.

The product of its digits is 86400, while the sum is 39.

The square root of 85944351 is about 9270.6176169660. The cubic root of 85944351 is about 441.3052683515.

The spelling of 85944351 in words is "eighty-five million, nine hundred forty-four thousand, three hundred fifty-one".