85119077 has 4 divisors (see below), whose sum is σ = 85196940. Its totient is φ = 85041216.

The previous prime is 85119061. The next prime is 85119079. The reversal of 85119077 is 77091158.

It is a Cunningham number, because it is equal to 9226²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1378276 + 83740801 = 1174^2 + 9151^2 .

It is a cyclic number.

It is not a de Polignac number, because 85119077 - 2⁴ = 85119061 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 85119077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85119079) 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 3 ways as a sum of consecutive naturals, for example, 37268 + ... + 39485.

It is an arithmetic number, because the mean of its divisors is an integer number (21299235).

Almost surely, 2^85119077 is an apocalyptic number.

It is an amenable number.

85119077 is a deficient number, since it is larger than the sum of its proper divisors (77863).

85119077 is a wasteful number, since it uses less digits than its factorization.

85119077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77862.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 85119077 is about 9226.0000541947. Note that the first 4 decimals coincide. The cubic root of 85119077 is about 439.8881895649. Note that the first 3 decimals are identical.

The spelling of 85119077 in words is "eighty-five million, one hundred nineteen thousand, seventy-seven".