77607344 has 10 divisors (see below), whose sum is σ = 150364260. Its totient is φ = 38803664.

The previous prime is 77607337. The next prime is 77607347. The reversal of 77607344 is 44370677.

It is a junction number, because it is equal to n+sod(n) for n = 77607298 and 77607307.

It is not an unprimeable number, because it can be changed into a prime (77607347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2425214 + ... + 2425245.

It is an arithmetic number, because the mean of its divisors is an integer number (15036426).

Almost surely, 2^77607344 is an apocalyptic number.

It is an amenable number.

77607344 is a deficient number, since it is larger than the sum of its proper divisors (72756916).

77607344 is a wasteful number, since it uses less digits than its factorization.

77607344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850467 (or 4850461 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 77607344 is about 8809.5030506834. The cubic root of 77607344 is about 426.5477022932.

The spelling of 77607344 in words is "seventy-seven million, six hundred seven thousand, three hundred forty-four".