77383479 has 12 divisors (see below), whose sum is σ = 105428984. Its totient is φ = 50487024.

The previous prime is 77383469. The next prime is 77383483. The reversal of 77383479 is 97438377.

It is a happy number.

It is not a de Polignac number, because 77383479 - 2⁴ = 77383463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77383469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789 + ... + 12465.

Almost surely, 2^77383479 is an apocalyptic number.

77383479 is a deficient number, since it is larger than the sum of its proper divisors (28045505).

77383479 is a wasteful number, since it uses less digits than its factorization.

77383479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774 (or 11727 counting only the distinct ones).

The product of its digits is 889056, while the sum is 48.

The square root of 77383479 is about 8796.7879933530. The cubic root of 77383479 is about 426.1371695637.

The spelling of 77383479 in words is "seventy-seven million, three hundred eighty-three thousand, four hundred seventy-nine".