77466448 has 20 divisors (see below), whose sum is σ = 150395508. Its totient is φ = 38654720.

The previous prime is 77466437. The next prime is 77466451. The reversal of 77466448 is 84466477.

It can be written as a sum of positive squares in 2 ways, for example, as 13017664 + 64448784 = 3608^2 + 8028^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77466398 and 77466407.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3690 + ... + 12982.

Almost surely, 2^77466448 is an apocalyptic number.

It is an amenable number.

77466448 is a deficient number, since it is larger than the sum of its proper divisors (72929060).

77466448 is a wasteful number, since it uses less digits than its factorization.

77466448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822 (or 9816 counting only the distinct ones).

The product of its digits is 903168, while the sum is 46.

The square root of 77466448 is about 8801.5025989884. The cubic root of 77466448 is about 426.2894137151.

The spelling of 77466448 in words is "seventy-seven million, four hundred sixty-six thousand, four hundred forty-eight".