85422937 has 4 divisors (see below), whose sum is σ = 86504320. Its totient is φ = 84341556.

The previous prime is 85422919. The next prime is 85422959. The reversal of 85422937 is 73922458.

85422937 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85422937 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 85422937.

It is not an unprimeable number, because it can be changed into a prime (85402937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540573 + ... + 540730.

It is an arithmetic number, because the mean of its divisors is an integer number (21626080).

Almost surely, 2^85422937 is an apocalyptic number.

It is an amenable number.

85422937 is a deficient number, since it is larger than the sum of its proper divisors (1081383).

85422937 is a wasteful number, since it uses less digits than its factorization.

85422937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081382.

The product of its digits is 120960, while the sum is 40.

The square root of 85422937 is about 9242.4529752658. The cubic root of 85422937 is about 440.4110088589.

The spelling of 85422937 in words is "eighty-five million, four hundred twenty-two thousand, nine hundred thirty-seven".