36777764 has 6 divisors (see below), whose sum is σ = 64361094. Its totient is φ = 18388880.

The previous prime is 36777761. The next prime is 36777773. The reversal of 36777764 is 46777763.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36699364 + 78400 = 6058^2 + 280^2 .

It is not an unprimeable number, because it can be changed into a prime (36777761) 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 as a sum of consecutive naturals, namely, 4597217 + ... + 4597224.

It is an arithmetic number, because the mean of its divisors is an integer number (10726849).

Almost surely, 2^36777764 is an apocalyptic number.

It is an amenable number.

36777764 is a deficient number, since it is larger than the sum of its proper divisors (27583330).

36777764 is a wasteful number, since it uses less digits than its factorization.

36777764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194445 (or 9194443 counting only the distinct ones).

The product of its digits is 1037232, while the sum is 47.

The square root of 36777764 is about 6064.4673302772. The cubic root of 36777764 is about 332.5536921227.

Subtracting 36777764 from its reverse (46777763), we obtain a palindrome (9999999).

The spelling of 36777764 in words is "thirty-six million, seven hundred seventy-seven thousand, seven hundred sixty-four".