85843057 has 4 divisors (see below), whose sum is σ = 85888000. Its totient is φ = 85798116.

The previous prime is 85843039. The next prime is 85843063. The reversal of 85843057 is 75034858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85843057 - 2¹¹ = 85841009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85843097) 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, 19473 + ... + 23470.

It is an arithmetic number, because the mean of its divisors is an integer number (21472000).

Almost surely, 2^85843057 is an apocalyptic number.

It is an amenable number.

85843057 is a deficient number, since it is larger than the sum of its proper divisors (44943).

85843057 is a wasteful number, since it uses less digits than its factorization.

85843057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44942.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 85843057 is about 9265.1528319829. The cubic root of 85843057 is about 441.1318260849.

The spelling of 85843057 in words is "eighty-five million, eight hundred forty-three thousand, fifty-seven".