85039963 has 8 divisors (see below), whose sum is σ = 86629136. Its totient is φ = 83462400.

The previous prime is 85039961. The next prime is 85039979. The reversal of 85039963 is 36993058.

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 85039963 - 2¹ = 85039961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85039961) 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, 12643 + ... + 18163.

It is an arithmetic number, because the mean of its divisors is an integer number (10828642).

Almost surely, 2^85039963 is an apocalyptic number.

85039963 is a deficient number, since it is larger than the sum of its proper divisors (1589173).

85039963 is a wasteful number, since it uses less digits than its factorization.

85039963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 85039963 is about 9221.7115005838. The cubic root of 85039963 is about 439.7518624999.

The spelling of 85039963 in words is "eighty-five million, thirty-nine thousand, nine hundred sixty-three".