85066023530 has 8 divisors (see below), whose sum is σ = 153118842372. Its totient is φ = 34026409408.

The previous prime is 85066023521. The next prime is 85066023551. The reversal of 85066023530 is 3532066058.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84821320081 + 244703449 = 291241^2 + 15643^2 .

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

It is a Curzon number.

It is an unprimeable number.

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, 4253301167 + ... + 4253301186.

Almost surely, 2^85066023530 is an apocalyptic number.

85066023530 is a deficient number, since it is larger than the sum of its proper divisors (68052818842).

85066023530 is a wasteful number, since it uses less digits than its factorization.

85066023530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506602360.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 85066023530 its reverse (3532066058), we get a palindrome (88598089588).

The spelling of 85066023530 in words is "eighty-five billion, sixty-six million, twenty-three thousand, five hundred thirty".