77068703458 has 8 divisors (see below), whose sum is σ = 115705452780. Its totient is φ = 38500219200.

The previous prime is 77068703443. The next prime is 77068703461. The reversal of 77068703458 is 85430786077.

It can be written as a sum of positive squares in 2 ways, for example, as 77010135049 + 58568409 = 277507^2 + 7653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 77068703399 and 77068703408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17063443 + ... + 17067958.

Almost surely, 2^77068703458 is an apocalyptic number.

77068703458 is a deficient number, since it is larger than the sum of its proper divisors (38636749322).

77068703458 is a wasteful number, since it uses less digits than its factorization.

77068703458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34132532.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 77068703458 in words is "seventy-seven billion, sixty-eight million, seven hundred three thousand, four hundred fifty-eight".