85937947 has 8 divisors (see below), whose sum is σ = 87160320. Its totient is φ = 84723240.

The previous prime is 85937911. The next prime is 85937953. The reversal of 85937947 is 74973958.

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 85937947 - 2¹⁹ = 85413659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85937894 and 85937903.

It is not an unprimeable number, because it can be changed into a prime (85937977) 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, 22872 + ... + 26362.

It is an arithmetic number, because the mean of its divisors is an integer number (10895040).

Almost surely, 2^85937947 is an apocalyptic number.

85937947 is a deficient number, since it is larger than the sum of its proper divisors (1222373).

85937947 is a wasteful number, since it uses less digits than its factorization.

85937947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its digits is 1905120, while the sum is 52.

The square root of 85937947 is about 9270.2722182253. The cubic root of 85937947 is about 441.2943070372.

The spelling of 85937947 in words is "eighty-five million, nine hundred thirty-seven thousand, nine hundred forty-seven".