85212766 has 8 divisors (see below), whose sum is σ = 127938960. Its totient is φ = 42566448.

The previous prime is 85212763. The next prime is 85212793. The reversal of 85212766 is 66721258.

It is a happy number.

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

It is a super-2 number, since 2×85212766² = 14522430978741512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85212761) 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, 17226 + ... + 21613.

It is an arithmetic number, because the mean of its divisors is an integer number (15992370).

Almost surely, 2^85212766 is an apocalyptic number.

85212766 is a deficient number, since it is larger than the sum of its proper divisors (42726194).

85212766 is a wasteful number, since it uses less digits than its factorization.

85212766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39938.

The product of its digits is 40320, while the sum is 37.

The square root of 85212766 is about 9231.0761019504. The cubic root of 85212766 is about 440.0495226629.

The spelling of 85212766 in words is "eighty-five million, two hundred twelve thousand, seven hundred sixty-six".