386116777 has 2 divisors, whose sum is σ = 386116778. Its totient is φ = 386116776.

The previous prime is 386116771. The next prime is 386116781. The reversal of 386116777 is 777611683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328189456 + 57927321 = 18116^2 + 7611^2 .

It is a cyclic number.

It is not a de Polignac number, because 386116777 - 2³ = 386116769 is a prime.

It is not a weakly prime, because it can be changed into another prime (386116771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193058388 + 193058389.

It is an arithmetic number, because the mean of its divisors is an integer number (193058389).

Almost surely, 2^386116777 is an apocalyptic number.

It is an amenable number.

386116777 is a deficient number, since it is larger than the sum of its proper divisors (1).

386116777 is an equidigital number, since it uses as much as digits as its factorization.

386116777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 46.

The square root of 386116777 is about 19649.8543760507. The cubic root of 386116777 is about 728.1813596633.

The spelling of 386116777 in words is "three hundred eighty-six million, one hundred sixteen thousand, seven hundred seventy-seven".