85372559 has 8 divisors (see below), whose sum is σ = 87495552. Its totient is φ = 83268640.

The previous prime is 85372541. The next prime is 85372583. The reversal of 85372559 is 95527358.

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

It is a cyclic number.

It is not a de Polignac number, because 85372559 - 2⁸ = 85372303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85372519) 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, 4514 + ... + 13824.

It is an arithmetic number, because the mean of its divisors is an integer number (10936944).

Almost surely, 2^85372559 is an apocalyptic number.

85372559 is a deficient number, since it is larger than the sum of its proper divisors (2122993).

85372559 is a wasteful number, since it uses less digits than its factorization.

85372559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9537.

The product of its digits is 378000, while the sum is 44.

The square root of 85372559 is about 9239.7272145881. The cubic root of 85372559 is about 440.3244146739.

The spelling of 85372559 in words is "eighty-five million, three hundred seventy-two thousand, five hundred fifty-nine".