5186787677 has 4 divisors (see below), whose sum is σ = 5192840796. Its totient is φ = 5180734560.

The previous prime is 5186787673. The next prime is 5186787679. The reversal of 5186787677 is 7767876815.

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 3231467716 + 1955319961 = 56846^2 + 44219^2 .

It is a cyclic number.

It is not a de Polignac number, because 5186787677 - 2² = 5186787673 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 (5186787673) 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, 3025274 + ... + 3026987.

It is an arithmetic number, because the mean of its divisors is an integer number (1298210199).

Almost surely, 2^5186787677 is an apocalyptic number.

It is an amenable number.

5186787677 is a deficient number, since it is larger than the sum of its proper divisors (6053119).

5186787677 is an equidigital number, since it uses as much as digits as its factorization.

5186787677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053118.

The product of its digits is 27659520, while the sum is 62.

The square root of 5186787677 is about 72019.3562662150. The cubic root of 5186787677 is about 1731.0096545461.

The spelling of 5186787677 in words is "five billion, one hundred eighty-six million, seven hundred eighty-seven thousand, six hundred seventy-seven".