85623331 has 8 divisors (see below), whose sum is σ = 87575040. Its totient is φ = 83677128.

The previous prime is 85623323. The next prime is 85623347. The reversal of 85623331 is 13332658.

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 85623331 - 2³ = 85623323 is a prime.

It is a super-2 number, since 2×85623331² = 14662709623071122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85623293 and 85623302.

It is not an unprimeable number, because it can be changed into a prime (85623371) 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, 58450 + ... + 59896.

It is an arithmetic number, because the mean of its divisors is an integer number (10946880).

Almost surely, 2^85623331 is an apocalyptic number.

85623331 is a deficient number, since it is larger than the sum of its proper divisors (1951709).

85623331 is a wasteful number, since it uses less digits than its factorization.

85623331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753.

The product of its digits is 12960, while the sum is 31.

The square root of 85623331 is about 9253.2875779368. The cubic root of 85623331 is about 440.7551272087.

Adding to 85623331 its reverse (13332658), we get a palindrome (98955989).

The spelling of 85623331 in words is "eighty-five million, six hundred twenty-three thousand, three hundred thirty-one".