85182077 has 16 divisors (see below), whose sum is σ = 90609840. Its totient is φ = 79951872.

The previous prime is 85182067. The next prime is 85182091. The reversal of 85182077 is 77028158.

It can be written as a sum of positive squares in 8 ways, for example, as 63001 + 85119076 = 251^2 + 9226^2 .

It is a cyclic number.

It is not a de Polignac number, because 85182077 - 2⁴ = 85182061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85182077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85182067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241133 + ... + 241485.

It is an arithmetic number, because the mean of its divisors is an integer number (5663115).

Almost surely, 2^85182077 is an apocalyptic number.

It is an amenable number.

85182077 is a deficient number, since it is larger than the sum of its proper divisors (5427763).

85182077 is a wasteful number, since it uses less digits than its factorization.

85182077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 85182077 is about 9229.4136866867. The cubic root of 85182077 is about 439.9966890247.

It can be divided in two parts, 851 and 82077, that added together give a palindrome (82928).

The spelling of 85182077 in words is "eighty-five million, one hundred eighty-two thousand, seventy-seven".