85966051 has 4 divisors (see below), whose sum is σ = 90490600. Its totient is φ = 81441504.

The previous prime is 85966039. The next prime is 85966057. The reversal of 85966051 is 15066958.

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

It is a cyclic number.

It is not a de Polignac number, because 85966051 - 2¹⁷ = 85834979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85965995 and 85966013.

It is not an unprimeable number, because it can be changed into a prime (85966057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2262246 + ... + 2262283.

It is an arithmetic number, because the mean of its divisors is an integer number (22622650).

Almost surely, 2^85966051 is an apocalyptic number.

85966051 is a deficient number, since it is larger than the sum of its proper divisors (4524549).

85966051 is a wasteful number, since it uses less digits than its factorization.

85966051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524548.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 85966051 is about 9271.7879074103. The cubic root of 85966051 is about 441.3424067958.

The spelling of 85966051 in words is "eighty-five million, nine hundred sixty-six thousand, fifty-one".