18759077663 has 16 divisors (see below), whose sum is σ = 20979420000. Its totient is φ = 16695165312.

The previous prime is 18759077657. The next prime is 18759077683. The reversal of 18759077663 is 36677095781.

It is a cyclic number.

It is not a de Polignac number, because 18759077663 - 2¹⁰ = 18759076639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18759077683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439688 + ... + 480461.

It is an arithmetic number, because the mean of its divisors is an integer number (1311213750).

Almost surely, 2^18759077663 is an apocalyptic number.

18759077663 is a deficient number, since it is larger than the sum of its proper divisors (2220342337).

18759077663 is a wasteful number, since it uses less digits than its factorization.

18759077663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920234.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 18759077663 in words is "eighteen billion, seven hundred fifty-nine million, seventy-seven thousand, six hundred sixty-three".