85021383 has 8 divisors (see below), whose sum is σ = 113455728. Its totient is φ = 56633984.

The previous prime is 85021361. The next prime is 85021399. The reversal of 85021383 is 38312058.

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 85021383 - 2⁵ = 85021351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85021383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85021303) 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, 7266 + ... + 14927.

It is an arithmetic number, because the mean of its divisors is an integer number (14181966).

Almost surely, 2^85021383 is an apocalyptic number.

85021383 is a deficient number, since it is larger than the sum of its proper divisors (28434345).

85021383 is a wasteful number, since it uses less digits than its factorization.

85021383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23473.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 85021383 is about 9220.7040403648. The cubic root of 85021383 is about 439.7198336967.

The spelling of 85021383 in words is "eighty-five million, twenty-one thousand, three hundred eighty-three".