77418068353 has 4 divisors (see below), whose sum is σ = 77434675648. Its totient is φ = 77401461060.

The previous prime is 77418068347. The next prime is 77418068381. The reversal of 77418068353 is 35386081477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77418068353 - 2²⁹ = 76881197441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77418068353.

It is not an unprimeable number, because it can be changed into a prime (77418068383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8296653 + ... + 8305978.

It is an arithmetic number, because the mean of its divisors is an integer number (19358668912).

Almost surely, 2^77418068353 is an apocalyptic number.

It is an amenable number.

77418068353 is a deficient number, since it is larger than the sum of its proper divisors (16607295).

77418068353 is a wasteful number, since it uses less digits than its factorization.

77418068353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607294.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 77418068353 in words is "seventy-seven billion, four hundred eighteen million, sixty-eight thousand, three hundred fifty-three".