85326615 has 80 divisors (see below), whose sum is σ = 169361280. Its totient is φ = 40754880.

The previous prime is 85326611. The next prime is 85326629. The reversal of 85326615 is 51662358.

85326615 is a `hidden beast` number, since 8 + 5 + 32 + 6 + 615 = 666.

It is not a de Polignac number, because 85326615 - 2² = 85326611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85326615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85326611) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 476596 + ... + 476774.

It is an arithmetic number, because the mean of its divisors is an integer number (2117016).

Almost surely, 2^85326615 is an apocalyptic number.

85326615 is a deficient number, since it is larger than the sum of its proper divisors (84034665).

85326615 is a wasteful number, since it uses less digits than its factorization.

85326615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 305 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 85326615 is about 9237.2406594177. The cubic root of 85326615 is about 440.2454123369.

The spelling of 85326615 in words is "eighty-five million, three hundred twenty-six thousand, six hundred fifteen".