85840526 has 4 divisors (see below), whose sum is σ = 128760792. Its totient is φ = 42920262.

The previous prime is 85840523. The next prime is 85840541. The reversal of 85840526 is 62504858.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85840526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85840523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21460130 + ... + 21460133.

It is an arithmetic number, because the mean of its divisors is an integer number (32190198).

Almost surely, 2^85840526 is an apocalyptic number.

85840526 is a deficient number, since it is larger than the sum of its proper divisors (42920266).

85840526 is a wasteful number, since it uses less digits than its factorization.

85840526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42920265.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 85840526 is about 9265.0162439145. The cubic root of 85840526 is about 441.1274905931.

The spelling of 85840526 in words is "eighty-five million, eight hundred forty thousand, five hundred twenty-six".