77463705338 has 8 divisors (see below), whose sum is σ = 118387927188. Its totient is φ = 38001062944.

The previous prime is 77463705307. The next prime is 77463705373. The reversal of 77463705338 is 83350736477.

It can be written as a sum of positive squares in 2 ways, for example, as 74127141169 + 3336564169 = 272263^2 + 57763^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 77463705338.

It is an unprimeable number.

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, 365394731 + ... + 365394942.

Almost surely, 2^77463705338 is an apocalyptic number.

77463705338 is a deficient number, since it is larger than the sum of its proper divisors (40924221850).

77463705338 is a wasteful number, since it uses less digits than its factorization.

77463705338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730789728.

The product of its (nonzero) digits is 8890560, while the sum is 53.

The spelling of 77463705338 in words is "seventy-seven billion, four hundred sixty-three million, seven hundred five thousand, three hundred thirty-eight".