77119144 has 16 divisors (see below), whose sum is σ = 146757600. Its totient is φ = 37983792.

The previous prime is 77119139. The next prime is 77119153. The reversal of 77119144 is 44191177.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71404 + ... + 72475.

It is an arithmetic number, because the mean of its divisors is an integer number (9172350).

Almost surely, 2^77119144 is an apocalyptic number.

It is an amenable number.

77119144 is a deficient number, since it is larger than the sum of its proper divisors (69638456).

77119144 is a wasteful number, since it uses less digits than its factorization.

77119144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143952 (or 143948 counting only the distinct ones).

The product of its digits is 7056, while the sum is 34.

The square root of 77119144 is about 8781.7506227403. The cubic root of 77119144 is about 425.6514006220.

The spelling of 77119144 in words is "seventy-seven million, one hundred nineteen thousand, one hundred forty-four".