64776412 has 6 divisors (see below), whose sum is σ = 113358728. Its totient is φ = 32388204.

The previous prime is 64776389. The next prime is 64776419. The reversal of 64776412 is 21467746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64776419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8097048 + ... + 8097055.

Almost surely, 2^64776412 is an apocalyptic number.

It is an amenable number.

64776412 is a deficient number, since it is larger than the sum of its proper divisors (48582316).

64776412 is a wasteful number, since it uses less digits than its factorization.

64776412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16194107 (or 16194105 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 64776412 is about 8048.3794642151. The cubic root of 64776412 is about 401.6110277629.

The spelling of 64776412 in words is "sixty-four million, seven hundred seventy-six thousand, four hundred twelve".