85330277 has 8 divisors (see below), whose sum is σ = 86895480. Its totient is φ = 83770560.

The previous prime is 85330261. The next prime is 85330279. The reversal of 85330277 is 77203358.

It can be written as a sum of positive squares in 4 ways, for example, as 5924356 + 79405921 = 2434^2 + 8911^2 .

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 85330277 - 2⁴ = 85330261 is a prime.

It is a super-3 number, since 3×85330277³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85330279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42263 + ... + 44235.

It is an arithmetic number, because the mean of its divisors is an integer number (10861935).

Almost surely, 2^85330277 is an apocalyptic number.

It is an amenable number.

85330277 is a deficient number, since it is larger than the sum of its proper divisors (1565203).

85330277 is a wasteful number, since it uses less digits than its factorization.

85330277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 85330277 is about 9237.4388766584. The cubic root of 85330277 is about 440.2517103157.

The spelling of 85330277 in words is "eighty-five million, three hundred thirty thousand, two hundred seventy-seven".