773786146 has 12 divisors (see below), whose sum is σ = 1350178038. Its totient is φ = 331622592.

The previous prime is 773786129. The next prime is 773786147. The reversal of 773786146 is 641687377.

It can be written as a sum of positive squares in only one way, i.e., 448380625 + 325405521 = 21175^2 + 18039^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 773786146.

It is not an unprimeable number, because it can be changed into a prime (773786147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3947791 + ... + 3947986.

Almost surely, 2^773786146 is an apocalyptic number.

773786146 is a deficient number, since it is larger than the sum of its proper divisors (576391892).

773786146 is a wasteful number, since it uses less digits than its factorization.

773786146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895793 (or 7895786 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 49.

The square root of 773786146 is about 27817.0118093227. The cubic root of 773786146 is about 918.0654631875.

The spelling of 773786146 in words is "seven hundred seventy-three million, seven hundred eighty-six thousand, one hundred forty-six".