77730011816426 has 16 divisors (see below), whose sum is σ = 116638644483360. Its totient is φ = 38850464196720.

The previous prime is 77730011816411. The next prime is 77730011816447. The reversal of 77730011816426 is 62461811003777.

It is a Curzon number.

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, 391691060 + ... + 391889456.

It is an arithmetic number, because the mean of its divisors is an integer number (7289915280210).

Almost surely, 2^{77730011816426} is an apocalyptic number.

77730011816426 is a deficient number, since it is larger than the sum of its proper divisors (38908632666934).

77730011816426 is a wasteful number, since it uses less digits than its factorization.

77730011816426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270709.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 77730011816426 in words is "seventy-seven trillion, seven hundred thirty billion, eleven million, eight hundred sixteen thousand, four hundred twenty-six".