63779875811 has 16 divisors (see below), whose sum is σ = 67913112960. Its totient is φ = 59727882240.

The previous prime is 63779875759. The next prime is 63779875813. The reversal of 63779875811 is 11857897736.

It is a cyclic number.

It is not a de Polignac number, because 63779875811 - 2¹⁰ = 63779874787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63779875813) 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, 589820 + ... + 689526.

It is an arithmetic number, because the mean of its divisors is an integer number (4244569560).

Almost surely, 2^63779875811 is an apocalyptic number.

63779875811 is a deficient number, since it is larger than the sum of its proper divisors (4133237149).

63779875811 is a wasteful number, since it uses less digits than its factorization.

63779875811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100114.

The product of its digits is 17781120, while the sum is 62.

The spelling of 63779875811 in words is "sixty-three billion, seven hundred seventy-nine million, eight hundred seventy-five thousand, eight hundred eleven".