13220230877 has 4 divisors (see below), whose sum is σ = 15108835296. Its totient is φ = 11331626460.

The previous prime is 13220230817. The next prime is 13220230909. The reversal of 13220230877 is 77803202231.

It is a happy number.

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: 77803202231 = 35111 ⋅2215921.

It is not a de Polignac number, because 13220230877 - 2¹⁴ = 13220214493 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 (13220230817) 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, 944302199 + ... + 944302212.

It is an arithmetic number, because the mean of its divisors is an integer number (3777208824).

Almost surely, 2^13220230877 is an apocalyptic number.

It is an amenable number.

13220230877 is a deficient number, since it is larger than the sum of its proper divisors (1888604419).

13220230877 is an equidigital number, since it uses as much as digits as its factorization.

13220230877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888604418.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 13220230877 in words is "thirteen billion, two hundred twenty million, two hundred thirty thousand, eight hundred seventy-seven".