5185170077 has 4 divisors (see below), whose sum is σ = 5218196796. Its totient is φ = 5152143360.

The previous prime is 5185170073. The next prime is 5185170127. The reversal of 5185170077 is 7700715815.

It is a happy number.

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 3776594116 + 1408575961 = 61454^2 + 37531^2 .

It is a cyclic number.

It is not a de Polignac number, because 5185170077 - 2² = 5185170073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185170073) 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, 16513124 + ... + 16513437.

It is an arithmetic number, because the mean of its divisors is an integer number (1304549199).

Almost surely, 2^5185170077 is an apocalyptic number.

It is an amenable number.

5185170077 is a deficient number, since it is larger than the sum of its proper divisors (33026719).

5185170077 is a wasteful number, since it uses less digits than its factorization.

5185170077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33026718.

The product of its (nonzero) digits is 68600, while the sum is 41.

The square root of 5185170077 is about 72008.1250762718. The cubic root of 5185170077 is about 1730.8296862286.

The spelling of 5185170077 in words is "five billion, one hundred eighty-five million, one hundred seventy thousand, seventy-seven".