77333374444 has 12 divisors (see below), whose sum is σ = 141217466544. Its totient is φ = 36985526864.

The previous prime is 77333374441. The next prime is 77333374477. The reversal of 77333374444 is 44447333377.

It is not an unprimeable number, because it can be changed into a prime (77333374441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420289987 + ... + 420290170.

It is an arithmetic number, because the mean of its divisors is an integer number (11768122212).

Almost surely, 2^77333374444 is an apocalyptic number.

It is an amenable number.

77333374444 is a deficient number, since it is larger than the sum of its proper divisors (63884092100).

77333374444 is a wasteful number, since it uses less digits than its factorization.

77333374444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840580184 (or 840580182 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 49.

The spelling of 77333374444 in words is "seventy-seven billion, three hundred thirty-three million, three hundred seventy-four thousand, four hundred forty-four".