85715942 has 24 divisors (see below), whose sum is σ = 141838704. Its totient is φ = 38619504.

The previous prime is 85715941. The next prime is 85715969. The reversal of 85715942 is 24951758.

It is a self number, because there is not a number n which added to its sum of digits gives 85715942.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47183 + ... + 48965.

It is an arithmetic number, because the mean of its divisors is an integer number (5909946).

Almost surely, 2^85715942 is an apocalyptic number.

85715942 is a deficient number, since it is larger than the sum of its proper divisors (56122762).

85715942 is a wasteful number, since it uses less digits than its factorization.

85715942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884 (or 1841 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 85715942 is about 9258.2904469454. The cubic root of 85715942 is about 440.9139782477.

The spelling of 85715942 in words is "eighty-five million, seven hundred fifteen thousand, nine hundred forty-two".