85940823 has 8 divisors (see below), whose sum is σ = 114682608. Its totient is φ = 57246464.

The previous prime is 85940821. The next prime is 85940837. The reversal of 85940823 is 32804958.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85940823 - 2¹ = 85940821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85940821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7386 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (14335326).

Almost surely, 2^85940823 is an apocalyptic number.

85940823 is a deficient number, since it is larger than the sum of its proper divisors (28741785).

85940823 is a wasteful number, since it uses less digits than its factorization.

85940823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23713.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 85940823 is about 9270.4273364285. The cubic root of 85940823 is about 441.2992297685.

The spelling of 85940823 in words is "eighty-five million, nine hundred forty thousand, eight hundred twenty-three".