85572993 has 8 divisors (see below), whose sum is σ = 124469856. Its totient is φ = 51862400.

The previous prime is 85572983. The next prime is 85573001. The reversal of 85572993 is 39927558.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85572993 - 2⁹ = 85572481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85572913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296528 + ... + 1296593.

It is an arithmetic number, because the mean of its divisors is an integer number (15558732).

Almost surely, 2^85572993 is an apocalyptic number.

It is an amenable number.

85572993 is a deficient number, since it is larger than the sum of its proper divisors (38896863).

85572993 is a wasteful number, since it uses less digits than its factorization.

85572993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593135.

The product of its digits is 680400, while the sum is 48.

The square root of 85572993 is about 9250.5671718009. The cubic root of 85572993 is about 440.6687368888.

The spelling of 85572993 in words is "eighty-five million, five hundred seventy-two thousand, nine hundred ninety-three".