85620057 has 8 divisors (see below), whose sum is σ = 115337376. Its totient is φ = 56491392.

The previous prime is 85620043. The next prime is 85620071. The reversal of 85620057 is 75002658.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85620043) and next prime (85620071).

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

It is not a de Polignac number, because 85620057 - 2⁶ = 85619993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85620757) 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, 146823 + ... + 147404.

It is an arithmetic number, because the mean of its divisors is an integer number (14417172).

Almost surely, 2^85620057 is an apocalyptic number.

It is an amenable number.

85620057 is a deficient number, since it is larger than the sum of its proper divisors (29717319).

85620057 is a wasteful number, since it uses less digits than its factorization.

85620057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294327.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 85620057 is about 9253.1106661490. The cubic root of 85620057 is about 440.7495093837.

The spelling of 85620057 in words is "eighty-five million, six hundred twenty thousand, fifty-seven".