85786634 has 16 divisors (see below), whose sum is σ = 138605280. Its totient is φ = 39690000.

The previous prime is 85786633. The next prime is 85786651. The reversal of 85786634 is 43668758.

It is not an unprimeable number, because it can be changed into a prime (85786633) 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, 24617 + ... + 27884.

It is an arithmetic number, because the mean of its divisors is an integer number (8662830).

Almost surely, 2^85786634 is an apocalyptic number.

85786634 is a deficient number, since it is larger than the sum of its proper divisors (52818646).

85786634 is a wasteful number, since it uses less digits than its factorization.

85786634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52565.

The product of its digits is 967680, while the sum is 47.

The square root of 85786634 is about 9262.1074275782. The cubic root of 85786634 is about 441.0351557304.

The spelling of 85786634 in words is "eighty-five million, seven hundred eighty-six thousand, six hundred thirty-four".