105420838867 has 2 divisors, whose sum is σ = 105420838868. Its totient is φ = 105420838866.

The previous prime is 105420838847. The next prime is 105420838877. The reversal of 105420838867 is 768838024501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105420838867 is a prime.

It is a super-2 number, since 2×105420838867² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105420838807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52710419433 + 52710419434.

It is an arithmetic number, because the mean of its divisors is an integer number (52710419434).

Almost surely, 2^105420838867 is an apocalyptic number.

105420838867 is a deficient number, since it is larger than the sum of its proper divisors (1).

105420838867 is an equidigital number, since it uses as much as digits as its factorization.

105420838867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 105420838867 in words is "one hundred five billion, four hundred twenty million, eight hundred thirty-eight thousand, eight hundred sixty-seven".