85715943 has 8 divisors (see below), whose sum is σ = 115853808. Its totient is φ = 56361024.

The previous prime is 85715941. The next prime is 85715969. The reversal of 85715943 is 34951758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85715943 - 2¹ = 85715941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85715895 and 85715904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85715941) 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, 195480 + ... + 195917.

It is an arithmetic number, because the mean of its divisors is an integer number (14481726).

Almost surely, 2^85715943 is an apocalyptic number.

85715943 is a deficient number, since it is larger than the sum of its proper divisors (30137865).

85715943 is a wasteful number, since it uses less digits than its factorization.

85715943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391473.

The product of its digits is 151200, while the sum is 42.

The square root of 85715943 is about 9258.2905009510. The cubic root of 85715943 is about 440.9139799623.

The spelling of 85715943 in words is "eighty-five million, seven hundred fifteen thousand, nine hundred forty-three".