77336993548 has 24 divisors (see below), whose sum is σ = 135521549072. Its totient is φ = 38616588864.

The previous prime is 77336993479. The next prime is 77336993551. The reversal of 77336993548 is 84539963377.

It is a self number, because there is not a number n which added to its sum of digits gives 77336993548.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14878486 + ... + 14883682.

Almost surely, 2^77336993548 is an apocalyptic number.

It is an amenable number.

77336993548 is a deficient number, since it is larger than the sum of its proper divisors (58184555524).

77336993548 is a wasteful number, since it uses less digits than its factorization.

77336993548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481 (or 9479 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 64.

The spelling of 77336993548 in words is "seventy-seven billion, three hundred thirty-six million, nine hundred ninety-three thousand, five hundred forty-eight".