85208537 has 8 divisors (see below), whose sum is σ = 91082880. Its totient is φ = 79515040.

The previous prime is 85208533. The next prime is 85208551. The reversal of 85208537 is 73580258.

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 85208537 - 2² = 85208533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85208537.

It is not an unprimeable number, because it can be changed into a prime (85208533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44237 + ... + 46122.

It is an arithmetic number, because the mean of its divisors is an integer number (11385360).

Almost surely, 2^85208537 is an apocalyptic number.

It is an amenable number.

85208537 is a deficient number, since it is larger than the sum of its proper divisors (5874343).

85208537 is a wasteful number, since it uses less digits than its factorization.

85208537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90423.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 85208537 is about 9230.8470358900. The cubic root of 85208537 is about 440.0422428451.

The spelling of 85208537 in words is "eighty-five million, two hundred eight thousand, five hundred thirty-seven".