85867742 has 8 divisors (see below), whose sum is σ = 129007632. Its totient is φ = 42865200.

The previous prime is 85867741. The next prime is 85867777. The reversal of 85867742 is 24776858.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85867741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32759 + ... + 35282.

It is an arithmetic number, because the mean of its divisors is an integer number (16125954).

Almost surely, 2^85867742 is an apocalyptic number.

85867742 is a deficient number, since it is larger than the sum of its proper divisors (43139890).

85867742 is a wasteful number, since it uses less digits than its factorization.

85867742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68674.

The product of its digits is 752640, while the sum is 47.

The square root of 85867742 is about 9266.4848783128. The cubic root of 85867742 is about 441.1741059380.

The spelling of 85867742 in words is "eighty-five million, eight hundred sixty-seven thousand, seven hundred forty-two".