85971038 has 4 divisors (see below), whose sum is σ = 128956560. Its totient is φ = 42985518.

The previous prime is 85971031. The next prime is 85971047. The reversal of 85971038 is 83017958.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 85970986 and 85971004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85971031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21492758 + ... + 21492761.

It is an arithmetic number, because the mean of its divisors is an integer number (32239140).

Almost surely, 2^85971038 is an apocalyptic number.

85971038 is a deficient number, since it is larger than the sum of its proper divisors (42985522).

85971038 is a wasteful number, since it uses less digits than its factorization.

85971038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42985521.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 85971038 is about 9272.0568376170. The cubic root of 85971038 is about 441.3509409089.

The spelling of 85971038 in words is "eighty-five million, nine hundred seventy-one thousand, thirty-eight".