85064057 has 4 divisors (see below), whose sum is σ = 91607460. Its totient is φ = 78520656.

The previous prime is 85064029. The next prime is 85064059. The reversal of 85064057 is 75046058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58736896 + 26327161 = 7664^2 + 5131^2 .

It is a cyclic number.

It is not a de Polignac number, because 85064057 - 2¹⁴ = 85047673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85064059) 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, 3271682 + ... + 3271707.

It is an arithmetic number, because the mean of its divisors is an integer number (22901865).

Almost surely, 2^85064057 is an apocalyptic number.

It is an amenable number.

85064057 is a deficient number, since it is larger than the sum of its proper divisors (6543403).

85064057 is a wasteful number, since it uses less digits than its factorization.

85064057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543402.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 85064057 is about 9223.0177816157. The cubic root of 85064057 is about 439.7933895675.

The spelling of 85064057 in words is "eighty-five million, sixty-four thousand, fifty-seven".