13961722877 has 4 divisors (see below), whose sum is σ = 14045326176. Its totient is φ = 13878119580.

The previous prime is 13961722871. The next prime is 13961722897. The reversal of 13961722877 is 77822716931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77822716931 = 167 ⋅466004293.

It is a cyclic number.

It is not a de Polignac number, because 13961722877 - 2⁶ = 13961722813 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 (13961722871) 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, 41801399 + ... + 41801732.

It is an arithmetic number, because the mean of its divisors is an integer number (3511331544).

Almost surely, 2^13961722877 is an apocalyptic number.

It is an amenable number.

13961722877 is a deficient number, since it is larger than the sum of its proper divisors (83603299).

13961722877 is an equidigital number, since it uses as much as digits as its factorization.

13961722877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83603298.

The product of its digits is 1778112, while the sum is 53.

The spelling of 13961722877 in words is "thirteen billion, nine hundred sixty-one million, seven hundred twenty-two thousand, eight hundred seventy-seven".