77860680383 has 4 divisors (see below), whose sum is σ = 77864459400. Its totient is φ = 77856901368.

The previous prime is 77860680353. The next prime is 77860680389. The reversal of 77860680383 is 38308606877.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38308606877 = 7901 ⋅4848577.

It is a cyclic number.

It is not a de Polignac number, because 77860680383 - 2¹⁰ = 77860679359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77860680389) 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, 1858433 + ... + 1899866.

It is an arithmetic number, because the mean of its divisors is an integer number (19466114850).

Almost surely, 2^77860680383 is an apocalyptic number.

77860680383 is a deficient number, since it is larger than the sum of its proper divisors (3779017).

77860680383 is a wasteful number, since it uses less digits than its factorization.

77860680383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779016.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 77860680383 in words is "seventy-seven billion, eight hundred sixty million, six hundred eighty thousand, three hundred eighty-three".