77734863580603 has 4 divisors (see below), whose sum is σ = 78422782727448. Its totient is φ = 77046944433760.

The previous prime is 77734863580531. The next prime is 77734863580609. The reversal of 77734863580603 is 30608536843777.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77734863580603 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77734863580609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343959573253 + ... + 343959573478.

It is an arithmetic number, because the mean of its divisors is an integer number (19605695681862).

Almost surely, 2^{77734863580603} is an apocalyptic number.

77734863580603 is a deficient number, since it is larger than the sum of its proper divisors (687919146845).

77734863580603 is a wasteful number, since it uses less digits than its factorization.

77734863580603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687919146844.

The product of its (nonzero) digits is 426746880, while the sum is 67.

The spelling of 77734863580603 in words is "seventy-seven trillion, seven hundred thirty-four billion, eight hundred sixty-three million, five hundred eighty thousand, six hundred three".